Module 19 Day 1 Quadratics Independent Practice

What are the x-intercepts of the graph of the equation y = x² + x - 6 ?

• (-3, 0) and ( 2, 0)

• (3, 0) and -2, 0)

• (-3, 0) and (-2, 0)

• (3, 0) and (2, 0)

What are the roots of the function f(x) = -x² + 8x + 9?

• 1 and -9

• 1 and 9

• -1 and -9

• -1 and 9

Which number is a zero of the function f?

f(x) = x² + 3x - 4

• 0

• 4

• 1

• -1

Which number is a zero of the function defined below?

f(x) = 15x² + 4x - 3

• $-\frac{1}{3}$

• $-\frac{3}{5}$

• $\frac{3}{5}$

• $-3$

Identify the x- and y-intercepts of the relation shown. You must SELECT ALL correct points.

• (-1, 4)

• (-3,0)

• (0, 1)

• (1, 0)

• (0, 3)

Identify each equation that has exactly 1 zero. You must SELECT ALL correct functions.

• g(x) = 4x² - 8

• k(x) = 4x² - 5x + 3

• j(x) = 4x - 3

• f(x) = x² - 9x + 14

• h(x) = x² - 8x + 16

Identify each equation that has exactly 2 zeros. You must SELECT ALL correct equations.

• y = 2x² + 4x - 6

• y = 8x

• y = (x - 2)²

• y = -x² - 3x + 5

• y = -2x + 3

Identify the vertex of the function graphed below.

• (0, 5)

• (-5, 0)

• (-1, 0)

• (-3, -4)

How many zeros does the function y = x² - 5x - 24 have?

• None

• 3

• 2

• 1

The graph of f(x) = x² - 5x - 6 is shown.

Which set contains ONLY the zeros of f(x)?

• {-1, -6, 0, 6}

• {-1, 6}

• {-1, 0, 6}

• {1, -6}