Modeling with Quadratic Equations

Question 1

Question 1

Revolt · Accepted Answer

coordinate of the vertex of the function: D; coordinate of the vertex of the function: B; an: C; a: A

Question 2

Which quadratic equation models the situation correctly? y = -0.0025(x - 90)² + 6y = -0.0025(x - 30)² + 15✔ y = 0.0025(x - 90)² + 6y = 0.0025(x - 30)² + 15

Revolt · Accepted Answer

C: ✔ y = 0.0025(x - 90)² + 6

Question 3

Which quadratic equation gives the area A of the rectangle in square feet given its width in w feet?A(w) = -w² + 200w✔ A(w) = -w² + 100wA(w) = w² + 40wA(w) = w² + 90w

Revolt · Accepted Answer

B: ✔ A(w) = -w² + 100w

Question 4

A✔ BCD y-coordinate of the vertex of the function

Revolt · Accepted Answer

B: ✔ B

Question 5

The main cable attaches to the left bridge support at a height of ⇒ 26.25 ft.

Revolt · Accepted Answer

26.25

Question 6

The rancher decides to make the width of the rectangle 40 ft. What is the area of the rectangle? ft2

Revolt · Accepted Answer

PENDING

Question 7

AB✔ CD an x-intercept of the function

Revolt · Accepted Answer

C: ✔ C

Question 8

The main cable attaches to the right bridge support at the same height as it attaches to the left bridge support. What is the distance between the supports? ⇒ 180 ft

Revolt · Accepted Answer

180

Question 9

✔ ABCD a y-intercept of the function

Revolt · Accepted Answer

A: ✔ A

Modeling with Quadratic Equations Answers

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