drum

This page lists questions and answers that were posted by visitors named drum.

Questions

The following questions were asked by visitors named drum.

M \left(-1,5\right) is the midpoint of AB If A has coordinates \left(4,3\right) Find the x coordinate of B. (Use the variable x in your working out
1 year ago
M \left(-1,5\right) is the midpoint of AB If A has coordinates \left(4,3\right) Find the x coordinate of B. (Use the variable x in your working out, Find the y coordinate of B. (Use the variable y in your working out)
1 year ago
The points P \left(-3,0\right), Q \left(-3,-5\right) and R \left(0,-5\right) are the vertices of a right-angled triangle, as shown on the number plane. Find the length of interval PQ.
1 year ago
A circle has the equation 16x^2+16y^2=256. What are the coordinates for the centre of the circle?
1 year ago
A circle has the equation 16x^2+16y^2=256. Hence sketch the curve 16x^2+16y^2=256
1 year ago
A (3,-1), B (0,0) and C (-3,k) are the vertices of a right-angled triangle with right angle at B. Find the value of k.
1 year ago
A (4, 1), B (0, 0) and C (-2, k) are the vertices of a right-angled triangle with right angle at B. Find the value of k.
1 year ago
\frac{1}{2}\times \sqrt{\left(4-0\right)^2+\left(1-0\right)^2}\times \sqrt{\left(-2-0\right)^2+\left(8-0\right)^2}
1 year ago
5x 2 + x + 3 = (x + 3)(5x + .)
1 year ago
3. a) Graph the system x y 5 and 3x 4y 12 by hand. b) Solve the system using your graph. c) Verify your solution using graphing technology.
1 year ago
Alex needs to rent a minivan for a week to take his band on tour. Easyvans charges $230 plus $0.10/km. Cars for All Seasons charges $150 plus $0.22/km. a) Write an equation for each rental company. b) Graph your equations. c) Which rental company would yo...
1 year ago
Solve each linear system by graphing. a) x y 3 d) 2x y 10 x y 7 y x 2 b) x y 8 e) y 3x – 5 4x 2y 8 y 2x 5 c) y 2x – 4 f) 6x 5y 12 0 3x y 6 2x 5y 2 0
1 year ago
Willow bought 3 m of denim fabric and 5 m of cotton fabric. The total bill, excluding tax, was $22. Jared bought 6 m of denim fabric and 2 m of cotton fabric at the same store for $28. a) Write a linear system you can solve to determine the price of denim...
1 year ago
(4r + 3) (7s + 4)
1 year ago
(7q + 6) (2q + 5) - 2
1 year ago
5(7x + 6) (x - 1) - 6
1 year ago
-2(x/2 -7) (x + 6) + 3x
1 year ago
(3x + 1/5) (3x - 1/5)
1 year ago
3(4m + 3n) (m - n) - (m -+ n) (3m + 4n)
1 year ago
(p + 2)^2 - (p + 11)^2
1 year ago
2(4x + 3y) (x - y) - (x + y) (3x + 4y)
1 year ago
a^2 + (5 - a) (5 + a) - 1
1 year ago
3x (9x - 4y) (9x + 4y)
1 year ago
To eliminate y from each linear system, by what numbers would you multiply equations 1 and 2 ? 1) 3x - 7y = 11 2) 5x + 8y = 9 1) 4x + 3y = 12 2) -2x + 5y = 7 1) 9x - 4y = 10 2) 3x + 2y = 10
1 year ago
Solve each system by using elimination. A) 3x + y = -2 C) 4x - y = 5 E) 3x - 2y = -39 F) 5x - y = -3.8 x - y = -6 -5x + 2y = -1 x + 3y = 31 4x + 3y = 7.6
1 year ago
In a charity walkathon, Lori and Nicholas walked 72.7 km. Lori walked 8.9 km farther than Nicholas. a) Create a linear system to model this situation. b) Solve the system to determine how far each person walked.
1 year ago
The perimeter of a beach volleyball court is 54 m. The difference between its length and its width is 9 m. a) Create a linear system to model this situation. b) Solve the system to determine the dimensions of the court.
1 year ago
11. Determine the point of intersection for each pair of lines. Verify your solution. x 2 - 5y = 7 x 11 - y 8 = -2 6x - 5y = -12 0.2x - 0.1y = 0.7 13x + 9y = 16 4x + 7y = 23 0.5x - 0.3y = 1.5 5x - 12y = 1 x + 3y = -1 4x - y = 22. 2x + 3y = 9 3x - y = 0.5...
1 year ago
Each gram of a mandarin orange has 0.26 mg of vitamin C and 0.13 mg of vitamin A. Each gram of a tomato has 0.13 mg of vitamin C and 0.42 mg of vitamin A. How many grams of mandarin oranges and tomatoes have 13 mg of vitamin C and 20.7 mg of vitamin A?
1 year ago
.Graph each quadratic relation and determine i) the y-intercept ii) the zeros iii) the equation of the axis of symmetry iv) the coordinates of the vertex y = x/2 - 4x - 21
1 year ago
The x-intercepts of a quadratic relation are - 4 and 3, and the second differences are positive. a) Is the y-value of the vertex a maximum value or a minimum value? Explain. b) Is the y-value of the vertex positive or negative? Explain. c) Calculate the x...
1 year ago
Use the graph to determine the equation of each parabola. Express the equation in both factored form and standard form - 5 - 20 6
1 year ago
Write each quadratic equation in factored form and standard form. State which way the parabola opens. Zeros= -1 and -7 Points on the graph= (3, 5)
1 year ago
The Rudy Snow Company makes custom snowboards. The company’s profit can be modeled with the relation , where x is the number of snowboards sold (in thousands) and y is the profit (in hundreds of thousands of dollars). a) How many snowboards does the compa...
1 year ago
A toy rocket is placed on a tower and launched straight up. The table shows its height, y, in meters above the ground after x seconds. time, x (s) 0, 1, 2, 3, 4, 5, 6, 7, 8 height, y (m) 16, 49, 72, 85, 88, 81, 64, 37, 0 a) Does the data in the table repr...
1 year ago
Use the graph to determine the equation of each parabola. Express the equation in both factored form and standard form points on the graph= (-5, -20, 4)
1 year ago
1. Write the equations of two different quadratic relations that match each description. a) The graph has a narrower opening than the graph of y=x2.
1 year ago
1. Write the equations of two different quadratic relations that match each description. (Choose one to do) /1 a) The graph has a narrower opening than the graph of y = x/2
1 year ago
The point (p, q) lies on the parabola y=ax2 . If you did not know the value of a, how could you use the values of p and q to determine whether the parabola is wider or narrower than y=x2? Use one example to describe.
1 year ago
Match each translation with the correct quadratic relation. /2 a) 3 units left, 4 units down b) 2 units right, 4 units down c) 5 units left d) 3 units right, 2 units up i) y = (x - 3)/2 + 2 ii) y = (x - 3)/2 + 4 iii) y = (x - 2)/2 - 4 iv) y = (x - 5)/2
1 year ago
A ball game between Dylan and Mya is about to begin. Using sidewalk chalk, they draw their “arena” on the ground. The arena can be modeled by the equation . Dylan has taken his position at (-5, -2) and Mya has taken her position at (6, 4). Each graph unit...
1 year ago
Part A: Short Answer – Write the answer for each question in the space provided. You do not need to show your work. Round your answer to one decimal place if necessary. (18 marks) Determine the number of solutions to the linear system: y= -2x+1 6x+3y-3=0...
1 year ago
Evaluate sin45 degrees Express your answer with 4 decimals.
1 year ago
Solve the linear system: y= -2x+8 3x-4y=12
1 year ago
The caterers for the Immaculata prom dinner and dance are preparing two different meals: chicken for $12/meal or pasta for $8/meal. The total cost of the dinners for 240 students is $2100. Create and solve a linear system to determine the number of chicke...
1 year ago
Points A (-2, 3) and B (3, -2), lie on the circle x2+y2=13. Determine the equation of the perpendicular bisector of AB.
1 year ago
Fully factor the expressions below. a) x2-17x+72 b) 10x2+x-3
1 year ago
a) x/2 - 17x + 72 b) 10x/2 + x - 3
1 year ago
Fully factor both of the expressions below. a) x/2 - 17x + 72 b) 10x/2 + x - 3
1 year ago
Fully factor the expressions below. b) 10x/2 + x - 3
1 year ago
49x/2 - 14x + 1 = 0
1 year ago
Consider the quadratic relation y=2x2-4x+5 Convert to vertex form by completing the square. Explain whether this relation has a maximum or a minimum.
1 year ago
Complete the table below for the quadratic relation represented by y= -4x-12+36
1 year ago
Graph the relation y=2x-12- 4 and label the KEY POINTS.
1 year ago
A quadratic relation has zeros at -2 and 7 and passes through the point (-1, -16). Determine the equation of this parabola in factored form.
1 year ago
A ball is thrown from a cliff and follows the path given by h= -5t2+10t+65 where h is the height in metres and t is the time in seconds. Determine the height of the cliff. Determine the length of time the ball spends above 66 m. Answer to two decimal plac...
1 year ago
Solve ∆ABC given angle A = 58ᵒ, b = 10.0 cm, and c = 14.0 cm. Round to one decimal place.
1 year ago
Determine the scale factor for the similar triangles 11.25 & 15 cm wide
1 year ago
Determine the measure of x 10 Degrees & 25 Degrees
1 year ago
Determine the measure of x 10 Degrees on the bottom & 25 Degrees on the left side
1 year ago
Determine the measure of θ. 27 Degrees on the right & 19 Degrees on the left
1 year ago
Determine the measure of θ on the bottom . 27 Degrees on the right & 19 Degrees on the left
1 year ago
Determine the equation of the line that has a slope of -4 and passes through the point (-8, 6)
1 year ago
Determine the equation of the line that has a slope of - 1 fifth and has the same y-intercept as the line: 3x - 2y + 6 = 0
1 year ago
If the equation y = mx+5 represents a line that passes a point (-3, -9), determine the slope m.
1 year ago
Determine the equation of a line that passes through (-5, 8) and (-5, -9).
1 year ago
Is 11x+10 a quadratic expression?
1 year ago
Is \frac{1}{-8x^2-8x+10} a quadratic expression?
1 year ago
Does the vertex represent a minimum or a maximum?
1 year ago
Consider the function y=-\left(x+3\right)^2
1 year ago
Consider the function y=-\left(x+3\right)^2 Complete the following table of values. x -5 -4 -3 -2 -1 y
1 year ago
Plot the graph.
1 year ago
Is x^2+\frac{1}{x} a quadratic expression?
1 year ago
Determine the equation for each line. A line parallel to the line 3x-2y-12=0 and has the same y intercept of the line of 4x-3y+8=0 b) A line perpendicular to the line y= 2x+3 and passing through (6,5).
1 year ago
Determine the equation for each line. A line parallel to the line 3x-2y-12=0 and has the same y intercept of the line of 4x-3y+8=0
1 year ago
A line segment has endpoints A(1, -5) and B(4, 1). A. Determine the coordinates of two points, C and D that would make ABCD a parallelogram.
1 year ago
A(2, -1), B(3,0) and C(1,k) are the vertices of a right triangle with right angle at B. Find the value of k. Find the area of the triangle.
1 year ago
blake rotated the parabola y equals x/2 by 180 ° around a point the new vertex is (6, - 8) what is the equation of the new parabola
1 year ago
Using factored methods to solve each equation. 4x/2 + 12x + 5 = 0
1 year ago
Using quadratic formulas to solve each equation. (x - 1)/2 - 4 = 0
1 year ago
Without solving, determine the number of solutions that each equation has. -x/2 - 4x + 9 = 0
1 year ago
Without graphing, determine the number of x-intercepts that each relation has. y = (2x - 3)(x + 9)
1 year ago
Two integers differ by 15 and the sum of their squares is 1225. Determine the integers.
1 year ago
A triangle has base 2x+1 and height 6x-3. What value of x would give an area of 240 m2? Round to the nearest hundredth.
1 year ago
What is the slope of this skateboard ramp if it rises 2 metres above the ground and runs 2 metres horizontally at the base?
1 year ago
What is the slope of this skateboard ramp if it rises 2 metres above the ground and runs 2 metres horizontally at the base? It can only be used as a 'beginner’s ramp' if for every 1 metre horizontal run, it has a rise of at most 0.2 metres. Can it be used...
1 year ago
Find the slope of the line that passes through Point A (-2, 7) and Point B (2, 13) using m=\frac{y_2-y_2}{x_1-x_1}.
1 year ago
A line passing through the points (5, -2) and (-1, t) has a slope equal to -5. Find the value of t.
1 year ago

Answers

The following answers were posted by visitors named drum.

how do we calculate the counterweight of the drum
4 years ago
are you sure that this is a correct answers
4 years ago
The points P (-3,0), Q (-3,-5) and R (0,-5) are the vertices of a right-angled triangle, as shown on the number plane. Find the length of interval PQ.
1 year ago
The points P (-3,0), Q (-3,-5) and R (0,-5) are the vertices of a right-angled triangle, as shown on the number plane. Find the length of interval PQ. Find the length of interval PR.
1 year ago
The points P (-3,0), Q (-3,-5) and R (0,-5) are the vertices of a right-angled triangle, as shown on the number plane. Find the length of interval PQ. Find the length of interval PR. If the length of PR is denoted by c, use Pythagoras’ theorem to find the...
1 year ago
Consider the circle with equation x^2+y^2=25.
1 year ago
Consider the circle with equation x^2+y^2=25. Graph the circle on the coordinate plane below.
1 year ago
A circle has the equation 16x^2+16y^2=256. What are the coordinates for the centre of the circle? State the radius of the circle.
1 year ago
A circle has the equation 16x^2+16y^2=256. State the radius of the circle.
1 year ago
Use the graph to determine the equation of each parabola. Express the equation in both factored form and standard form points on the graph= (-5, -20, 4, 20)
1 year ago
How far apart are Dylan and Mya (to two decimal places)?
1 year ago
Jordyn joins the game so that she forms a triangle with Dylan and Mya. Her exact coordinates are NOT important, but we do know that from Jordyn’s position, the angle formed to Dylan and Mya is 76°. From Dylan’s position, the angle formed to Mya and Jordyn...
1 year ago
Jordyn joins the game so that she forms a triangle with Dylan and Mya. Her exact coordinates are NOT important, but we do know that from Jordyn’s position, the angle formed to Dylan and Mya is 76°. From Dylan’s position, the angle formed to Mya and Jordyn...
1 year ago
Dylan, Mya and Jordyn proceed to play the ball game which consists of running around the inside of the arena while throwing the ball back and forth to each other. The game starts to get out of control when Dylan head-butts the ball in a path modeled h = 2...
1 year ago
Dylan, Mya and Jordyn proceed to play the ball game which consists of running around the inside of the arena while throwing the ball back and forth to each other. The game starts to get out of control when Dylan head-butts the ball in a path modeled h = -...
1 year ago
What was the maximum height the ball reached?
1 year ago
How long did it take the ball to reach its maximum height?
1 year ago
ignore the drawing and graphing.
1 year ago
How long was the ball in the air (to two decimal places)?
1 year ago
To add more excitement to the game, a second ball is added. Dylan kicks his ball along a path modeled by the equation 12x + 9y = -54 and Mya’s ball travels on a path modeled by the equation 2x - y - 4 =0 . If the game were set on a Cartesian Plane, to wha...
1 year ago
Dylan kicks his ball over Jordyn’s head. The path of his kick is shown. Determine the equation of the path of his ball in standard form.
1 year ago
The kids decide their arena is too small. They use rope to enclose a new, rectangular arena. The area of this new enclosure is given by A = 99w - 3w/2 , where A is the area in square meters and w is width in meters. What dimensions should they make the ar...
1 year ago
Show that the perpendicular bisector of AB passes through the centre of the circle.
1 year ago
Determine the length of time the ball spends above 66 m. Answer to two decimal places
1 year ago
Determine the maximum height of the ball and the time that it reaches maximum height.
1 year ago
Plot the graph points
1 year ago
What is the maximum y value?
1 year ago
What is the maximum x value?
1 year ago
What are the coordinates of the vertex? State your answer in the form \left(a,b\right).
1 year ago
b) A line perpendicular to the line y= 2x+3 and passing through (6,5).
1 year ago