Chapter 3 Review

Solve using the square root property. The positive real root of the equation : 64x² - 1 = 0 is ______

• x = 8

• x = ⅛

• x = 1⁄16

The standard form of a quadratic equation is:

• y=x²

• y=ax²+bx+c

• y=mx+b

What is the equation for axis of symmetry for the function shown?

• y=3

• x=3

• x=1

Does this parabola have a maximum or minimum?

• Maximum
• Minimum

Tags

CCSS.HSF-IF.C.7A

Determine the values of

a, b, and c for

the quadratic equation:

4x² – 8x = 3

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• x= 2

The formula x = -b/2a is used to find

• the roots

• the x-value of the vertex

• the y-intercept

What is the vertex of the quadratic function:

y = x² - 6x + 11?

• (3,2)

• (-3,-2)

• (-3,2)

Does the function open up or down?

Y = -3x² +7x - 2

• up

• down

The formula

b² - 4ac

is called the

• quadratic formula

• factored form

• the discriminant