PreCal Phoenix Focus 9-15-20

• 2a⁴b⁴
• 4a³b⁴
• 4a⁸b⁵
• 2a⁴b³

Tags

CCSS.HSA.APR.A.1

Simplify (-4r⁵)(2r⁸)

• -8r¹³
• -2r¹³
• -8r⁴⁰
• -2y⁴⁰

Tags

CCSS.HSA.APR.A.1

x^-3

• 1/x³
• 1/x^-3
• 3x
• 1/3x

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

Simplify the expression: (-2xy²)³?

• -6x³y⁶
• -8x³y⁶
• 8x⁹y³⁶
• -8x⁴y⁵

For which value is the expression undefined?

• -4
• -3
• 3
• 0

Tags

CCSS.HSA.APR.D.7

Determine the excluded value.

• x = 6

• x = 0

• x = -6

• x = -6, 9

Tags

CCSS.HSA.APR.D.7

What is the domain?

• All real numbers except 1/2

• All real numbers

• All real numbers except -4

• All real numbers except 4

Write the inequality in interval notation.

• [-4, -1)

• (-4, -1)

• (-4, -1]

• [-4, -1]

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.D.12

Write the following in interval notation
 x < 8

• (8, ∞)
• (8, -∞)
• (-∞, 8)
• [-∞, 8]

Tags

CCSS.6.EE.B.8

What interval notation does the number line graph represent?

• [∞, -5)

• (∞, -5)

• [-5, ∞)

• (-5, ∞)

Tags

CCSS.6.EE.B.8