Quadratic Equation and Their Intro

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

• x = 10

• x = 9

• x = + 9

• x = + 10

Tags

CCSS.HSA-REI.B.4B

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

• none

• 1

• 2

• 3

Tags

CCSS.HSA-REI.B.4B

Solve: (k+7)² = 289

• 10 and -23

• -10 and 23

• -10 and -23

• 10 and 23

Tags

CCSS.HSA-REI.B.4B

What are the factors of x²+3x-40

• (x+10)(x-4)

• (x+8)(x-5)

• (x+20)(x-2)

• (x+1)(x-3)

The solutions of the quadratic equation 
x²+x+3=0 are

• x = 1 or x = 3

• x = -1 or x = -3

• x = -3 or x = 1

• No solutions

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

The solutions of the quadratic equation
x²-5x+6=0 are

• x=1 or x=-6

• x=3 or x=2

• x=-3 or x= 2

• x=-1 or x=6

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x²+2x-15=0 are

• x = 3 or x = 5

• x = 5 or x = -3

• x = -5 or x = 3

• x = -3 or x = -5

Tags

CCSS.HSA-REI.B.4B

Complete the Square
x² + 6x = 5

• (x + 3)² = 5

• (x + 6)² = 9

• (x + 3)² = 14

• (x + 6)² = 14

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square.
y² + 10y = -9

• 1 and -12

• -1 and -9

• 1 and -9

• 1 and -1

Tags

CCSS.HSA-REI.B.4B

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B