Quadratics

x² + 4 = 68

• ± 8

• ± √8

• 8

• ± 64

solve using the square root method

3x² = 12

• ± 2

• 2

• ± √12

• ± 4

(x + 1) ² = 25

• ± 5

• 4  or  -6

• -4  or  6

• ± 4

What are the zeros?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

What is the square root of 196?

• + 11

• + 12

• + 13

• + 14

How many solution does a quadratic equation x² - 9 = 16 have ?

• none

• 1

• 2

• 3

What are the roots / solutions of the quadratic equation 3x² = 300 ?

• x = 10

• x = 9

• x = + 9

• x = + 10

A _______ of a number is a value that can be multiplied by itself to give the original number.

• sum

• real number

• square root

• constant

What is the standard form of quadratic equations?