Quadratic Functions: Standard Form

Question 1

What is the vertex of the parabola in the graph? (, )

Revolt · Accepted Answer

Part 1: -3; Part 2: -4

Question 2

The graph of which function will have a maximum and a y-intercept of 4?

Revolt · Accepted Answer

C: f(x) = –x2 + 2x + 4

Question 3

The graph of the function f(x) = x2 + 8x + 12 is shown. Which statements describe the graph? Check all that apply.

Revolt · Accepted Answer

B: The axis of symmetry is x = –4.; C: The domain is all real numbers.; F: The x-intercepts are at (–6, 0) and (–2, 0).

Question 4

The axis of symmetry for the function f(x) = –2x2 + 4x + 1 is the line x = 1. Where is the vertex of the function located?

Revolt · Accepted Answer

B: (1, 3)

Question 5

Which functions have an axis of symmetry of x = –2? Check all that apply.f(x) = x2 + 4x + 3f(x) = x2 – 4x – 5f(x) = x2 + 6x + 2 f(x) = –2x2 – 8x + 1f(x) = –2x2 + 8x – 2

Revolt · Accepted Answer

A: f(x) = x2 + 4x + 3; D: f(x) = –2x2 – 8x + 1

Question 6

What is the vertex of the function f(x) = x2 + 3x + ? (, )

Revolt · Accepted Answer

A: –6; B: –3

Question 7

Consider the function f(x) = x2 + 2x – 15. What are the x-intercepts of the function? Left-most x-intercept: (, 0) Right-most x-intercept: (, 0)

Revolt · Accepted Answer

Part 1: -5; Part 2: 3

Question 8

Question 8

Revolt · Accepted Answer

80618

Question 9

Which must be true of a quadratic function whose vertex is the same as its y-intercept?

Revolt · Accepted Answer

A: The axis of symmetry for the function is x = 0.

Question 10

Question 10

Revolt · Accepted Answer

135821

Quadratic Functions: Standard Form Answers

More from this Course

TRY EDGENUITY HACKS