CCSS.Math.Content.HSA.REI.B.4

b² - 4ac would equal: y = 2x² -x -3

• 25
• -23
• -25
• 0

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CCSS.Math.Content.HSA.REI.B.4

Factor
x² + 5x + 4

• (x + 4)(x + 1)
• (x + 2)(x + 2)
• (x + 4)(x - 1)
• (x + 5)(x + 1)

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CCSS.Math.Content.HSA.REI.B.4

Solve
(4a + 3)(4a - 3) = 0

• a = ^-3/₄, ³/₄ 
• a = ^-4/₃, ⁴/₃ 
• a = ^-9/₁₆, ⁹/₁₆ 
• a = ^-16/₉, ¹⁶/₉ 

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CCSS.Math.Content.HSA.REI.B.4

Factor
r² -16r + 60

• (r - 15)(r + 4)
• (r - 6)(r + 10)
• (r - 6)(r - 10)
• (r +30)(r - 2)

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CCSS.Math.Content.HSA.REI.B.4

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.Math.Content.HSA.REI.B.4

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2
• -2
• 1
• -1

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CCSS.Math.Content.HSA.REI.B.4

Solve Using the Quadratic Formula 
2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

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CCSS.Math.Content.HSA.REI.B.4

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)

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CCSS.Math.Content.HSA.REI.B.4

Solve the following equation for x:
0 = 2(x + 1)² − 18

• x = 2 and x = −4
• x = 2 and x = 8
• x = 8 and x = −10
• No real solutions

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CCSS.Math.Content.HSA.REI.B.4

Does this graph in the back have maximum or minimum value?

• maximum
• minimum
• neither
• both

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CCSS.Math.Content.HSA.REI.B.4