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c=a+b/2*h solve for b

1. A---- equation can be written in the form ax^2+bx+c=0 where a,b and c are real numbers, and ais a nonzero number Linear Quadratic Cubic Quartic 2. The number of vinyl album sales y (in millions) in a country x years after 2010 can be modelled for 2010...

The profit of a company producing X thousand units is given by p (x)=2x^2+38x-120 Find the values of x for which the company makes a profit. Explain and justify your answer. Hint: The company makes a profit when P(x)>0] but make it look like a 10th greder...

1. Which best describes the setting at the beginning of the story? Select the correct answers from the lists. The setting of the story is a-------in the ------- Forest Road Park early part of the evening beginning of the day middle of the night 2. Use par...

3. Use technology to graph the function f(x)=1/2x^2−2x . Then select the true statement below. A. The vertex and the y-intercept of f(x) are at the same point. B. The two zeros of f(x) are at the same point C. The vertex and one of the zeros of f(x) are a...

1. What is the domain of the function f(x) given its graph below? A. (−∞, ∞) B. [2, ∞) C. [-2, ∞) D. (−∞, 2]

In Kindred, the author combines elements from a variety of genres, including realistic, fantasy/science fiction, and historical fiction. How do the author's choices regarding genre help her tell the story effectively? How do these choices enable the autho...

1. Which is a euphemism that the author uses to be polite? A. I often go over to help her with chores. B. She is getting on in years. C. My aunt needs some extra help. D. This morning I cooked her a meal and cleaned her apartment 2. Which phrase is a euph...

1. Which of the following statements best describes the importance of masks in African religious ceremonies? A. They are used to turn diviners into spirits. B. They are used to protect people from witchcraft C. They are used so people can communicate with...

1. Which profession taught us to place a frame within a frame? A. Writers B. Photographers C. Painters D. Architects 2. What is the first secret to excellent composition? A. don’t waste space B. use diagonal angles C. always include backlighting D. never...

1. In a play, what would best allow a character to express their inner thoughts? A. Dialogue B. Soliloquy C. Narration D. monologue 2. Which choice best describes the difference between a monologue and a soliloquy? A. In a monologue, a character believes...

1. Evidence of a literary text’s--------------- can be found in the----- characters use and shifts in attitudes between characters Theme Tone Language Props 2. Drag each item to the correct location. Things that create mood or Things that create tone A bi...

Add the polynomials below:(2 points) (−4k^3+14+5k^2)+(−6k^3−7k^2−10)

Subtract the polynomials below: (7y−3y^2+10)−(2y^2+3y−7)=

Multiply the polynomials below: (2x−5)(3x+2)=

Factor the following expression completely x^2+3x−28

Factor the following expression completely: 3x^2+10x+8=

The profit of a company producing X thousand units is given by p (x)=2x^2+38x-120 Find the values of x for which the company makes a profit. Explain and justify your answer. Hint: The company makes a profit when P(x)>0]

1. In the complex number a+bi,a is called the ---- and b is called the--- Real part Imaginary part 2. The result of adding a complex number to its conjugate is---- The result of subtracting a complex number to its conjugate is--- A real number A pure Imag...

The discriminant of a quadratic equation is given by B^2−4ac Explain in your own words why a quadratic equation has... ...two real solutions if the discriminant is positive ...one real solution if the discriminant is zero ...no real solutions if the discr...

1. Which of the following is an example of direct characterization? A. the description of a character’s actions B. statements about a character in a narrator’s words C. a description of a character’s clothing D. a reaction to a character by another charac...

1. The area of a rectangle A in square meters is modeled by the quadratic function A(w)=w(16−w), where w represents the width of the rectangle in meters. The graph of A(w) is given below. How long is the width so that the area of the rectangle is at its m...

3. Use technology to graph the function f(x)=1/2x^2−2x . Then select the true statement below. A. The vertex and the y-intercept of f(x) are at the same point. B. The two zeros of f(x) are at the same point C. The vertex and one of the zeros of f(x) are a...

1. What is the average rate of change of the function described by the table below over the interval [−2,1] ? X -3 -2 -1 0 1 2 3 F(x) -14 -7 -2 1 2 1 -2 A. -3 B. 9 C. 3 D. -9 2. What is the average rate of change of the function described by the table bel...