Question

The point (5, -3) is a solution to which system of equations?(1 point)

Answer 1

The point (5, -3) is a solution to which system of equations?(1 point)

A
y=-1/2x+6
y=3x-1

B
y=x-3
2x+y=7

C
y=2/3x+6
3y+6x-18=0

D
y=x+2
y=x+5

Answer 2

How many solutions does the system of equations have?

y=−2x+12

4y+x−20=0
(1 point)
Responses

One solution
One solution

Two solutions
Two solutions

No solution
No solution

Infinitely many solutions

Answer 3

A company owns two dealerships, both of which sell cars and trucks. Dealership A sells a total of 225 cars and trucks. Dealership B sells twice as many cars and half as many trucks as the Dealership A, and sells a total of 300 cars and trucks.

(4 points)
a) An equation for the total cars and trucks for Dealership A: ____

b) An equation for the total cars and trucks for Dealership B: ____

c) How many cars did Dealership A sell? ____

d) Given the fact that Dealership B sold half as many trucks as Dealership A, how many trucks did Dealership B sell? ____

Answer 4

that's wrong

Answer 5

he sum of two numbers is 22. Three times one number increased by five is 35.(4 points)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
a) What are the equations you would use? ____ and ____

b) What are the two numbers? ____ area and ____

Answer 6

Joelle currently has 18 rocks in her collection and gains 4 each week. Lewis currently has 30 rocks in his collection and gains 3 each week. Set up a system of equations to show how many rocks each has in their collection.(6 points)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
a) Joelle has y = ____ + ____

b) Lewis has y = ____ + ____

c) After how many weeks will Joelle and Lewis have the same number of rocks in their collections? ____ weeks

d) How many rocks will Joelle and Lewis have when the amount of rocks in their collection is equal? They will each have ____ rocks in their collection.

Answer 7

what the answer to part c

Answer 8

what the answer to part d

Answer 9

Solve the system of equations.

3x+2y=2

−2x+y=8
(1 point)
Responses

(14, -20)
(14, -20)

(4, -2)
(4, -2)

(-2, 4)
(-2, 4)

(-4, 2)

Answer 10

Not including tax, a total of 19 pens and markers cost $11.50. The pens cost $0.25 each, and the markers cost $0.75 each. Write the system of equations that could be used to solve for the number of pens, p, and the number of markers, m, bought.(4 points)
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
p + m = Response area

Response area p + Response area m = Response area

Answer 11

Joyce wants to go to the zoo with her friend over spring break. You can pay $45 to get into the zoo each time, or join a membership for $50 and then only pay $20 each visit to the zoo. How many times will Joyce need to visit the zoo to justify the expense of the membership fee?(1 point)
Responses

10
10

2
2

3
3

5

Answer 12

Two systems of equations are shown:

4x+y=−1

x+y=2

and

8x+2y=−2

−4x+cy=−8

What would the value of c need to be to get the same solution for both systems?

(1 point)
Responses

-4
-4

2
2

-2
-2

4
4

1

Answer 13

So what's the answer.

Answer 14

Susie determined that the system of equations below has infinitely many solutions.

The first line goes through the points (2, -13) and (-2, -1).

The second line goes through the points (5, -22) and (-3, 2).

Is she correct?

(1 point)
Responses

No, the lines are parallel.
No, the lines are parallel.

Yes, Susie is correct.
Yes, Susie is correct.

No, there is no point of intersection.
No, there is no point of intersection.

She may or may not be correct as the lines possibly cross.