Precalculus Review of Semester 1 Day 1

10 < 3x + 19

• (-∞, 3)

• (3, ∞)

• (-∞, -3)

• (-3, ∞)

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Simplify:
(x⁵)⁴

• x⁹
• x²⁰
• x
• x⁵⁴

Tags

CCSS.8.EE.A.1

(x³y)⁶

• 2x¹⁸y⁶
• x¹⁸y⁶
• x³y⁶
• x³y⁶

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

CCSS.HSA.SSE.A.2

√128

• 64√2
• 16
• 2√8
• 8√2

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

√200

• 14
• 20√8
• 5√3
• 10√2

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Write the equation in point-slope form of the line that passes through the given point and has the given slope.
(4, -7); m = -1/4

• y + 7 = -1/4(x - 4)
• y - 4 = -1/4(x + 7)
• y + 7 = 4(x - 4)
• y - 7 = -1/4(x - 4)

Tags

CCSS.HSA.CED.A.2

CCSS.HSG.GPE.B.5

Write the equation in point-slope form for the line that contains the points
(-2, -3), (4, 3)

• y - 3 = 1(x - 2)
• y + 3 = 1(x + 2)
• y -3 = -1(x + 2)
• y + 3 = -1(x - 2)

what is the value of r?

-1=(r-1)/4

• -5

• 5

• 0

• -3

Tags

CCSS.7.EE.B.4A

a=?

5+2a-2a=a+1+3a

• 1

• 3/2

• 2

• -2

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.A.1

Solve and check for extraneous solutions.

• x=2, not extraneous
• x=-2, not extraneous
• x=11, extraneous
• x=22, extraneous

Tags

CCSS.HSA.REI.A.2