Quadratics Test Review

Decide on the best method:
x² - 18 = 0

• Square Root Method
• Factor Method 
• Complete the Square
• Quadratic Formula

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Solve using square roots:

x² - 18 = 0

• x = ±√18

• No solution

• x = ±9

• x = 18

Tags

CCSS.HSA.REI.B.4

Decide on the best method:
x² + 2x = -9

• Square Root Method
• Factor Method
• Complete the Square
• Quadratic Formula

Solve by completing the square

x² + 2x = -9

• No solution

• x = -1 ± √-8

• x = 2 and x = -4

• x = 7 and x = -9

Decide on the best method:
x² - 3x - 54 = 0

• Square Root Method
• Factor Method
• Complete the Square
• Quadratic Formula

Solve by factoring

x² - 3x - 54 = 0

• x = 9 and x = -6

• x = -9 and x = 6

• No solution

• Prime

Decide on the best method:
2x² - 7x + 2 = 0

• Square Root Method
• Factor Method
• Complete the Square
• Quadratic Formula

Solve using the quadratic formula:

2x² - 7x + 2 = 0

• 
• 
• 
• No solution

Which expression is a factor of

12x² + 5x - 2

• 3x + 2

• 4x + 1

• 3x - 2

• There are no factors

The area of a rectangular trampoline is 112 ft². The trampoline is six feet longer than it is wide. The situation can be represented by the equation:

w² + 6w = 112

What is the width of the trampoline in feet?

• 7 ft

• 16 ft

• 8 ft

• 14 ft