Solving Quadratics Review

How many roots does this parabola have? 

• 3
• 2
• 0
• 1

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
• a = 4, b = 8, c = -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

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

• the roots
• the x-value of the vertex
• the y-intercept
• the axis of symmetry

The formula
b² - 4ac
is called the

• quadratic formula
• factored form
• vertex formula
• the discriminant

Tags

CCSS.HSA-REI.B.4B

Which of the following equations matches standard form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

Which of the following equations matches vertex form of a quadratic?

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve : x² = 16

• ± 4

• ± 8

• 4

• 8

Solve: (x - 2) ² = 49

• 9 or -5

• ± 9

• ± 5

• ± 7

Find the solution.

• (6,4) and (3,1)
• (-2,7) and (5,2)
• (5,4) and(-2,-5)
• (1,-1) and (4,2)

Tags

CCSS.HSA.REI.C.7

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3