Solving Quadratics 4 Ways Test Review

Find the zeros of the equation: 
(x+10)(x-2) = 0

• 10 and 2
• -2 and 10
• -10 and 2
• -2 and -10

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve with Square Roots  $-2n^2=144$  

• ±72

• ±12

• 12

• No real solution

Tags

CCSS.HSA.REI.B.4

Solve with square roots.

• √3

• ±√3

• -3

• No real solution

Tags

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.4

• ±23.25
• ±5
• ±25
• No real solution

Tags

CCSS.8.EE.A.2

Find the zeros of this quadratic.

• b=4/5, b=3
• b=4, b=-3
• b=1/5, b=3
• b=4/5, b=-3

Tags

CCSS.HSA-REI.B.4B

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
• a = 4, b = 8, c = -3

Identify the 'b' value: y = 16x² -8x -24

• 16
• -8
• 8
• -24

Solve using any method: x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

Tags

CCSS.HSA.REI.B.4

What is the first step to solving THIS equation by completing the square?
a² + 10a + 21 = 0

• Set the equation equal to zero
• Divide 10 by 2 and add the result to both sides
• Add a² and 10a together
• Subtract the 21

Tags

CCSS.HSA-REI.B.4B

Which value of c makes x² -30x + c a perfect square trinomial?

• -15

• 225

• 30

• -225

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3