Quadratic Functions - Review

Front

What are the x-intercepts of the function f(x)= (x - 2)(x + 3)?

Back

x = 2 or x = -3

Tags

CCSS.HSF-IF.C.7C

Front

What is the y intercept for the equation: y = -8x² + 3x - 7?

Back

(0, -7)

Tags

CCSS.HSF-IF.C.7A

Front

What form is the equation in: y = 2x² - 8x + 7?

Back

Standard

Front

What does 'a' control in a graph of f(x) = ax² + bx + c?

Back

Opens up or down

Tags

CCSS.HSF-IF.C.7A

Front

Does this graph have maximum or minimum value?

Back

Minimum

Tags

CCSS.HSF-IF.C.7A

Front

What is the vertex of the quadratic function f(x) = x² - 4x + 4?

Back

(2, 0)

Front

How do you find the axis of symmetry for a quadratic function?

Back

x = -b/(2a)

Front

What is the general form of a quadratic function?

Back

f(x) = ax² + bx + c

Front

What does the discriminant tell you about the roots of a quadratic equation?

Back

It indicates the nature of the roots: positive (two real roots), zero (one real root), negative (no real roots).

Tags

CCSS.HSA-REI.B.4B

Front

What is the y-intercept of the function f(x) = 3x² + 2x - 5?

Back

(0, -5)

Tags

CCSS.HSF-IF.C.7A