Semester 1 Algebra 2 Review

Express the following interval in Set notation:
(-7, 15]

• -7 ≤ x ≤ 15
• -7 < x ≤ 15
• -7 ≤ x < 15
• -7 < x < 15

Express the following interval in Set notation:
[3, 5]

• 3 ≤ x ≤ 5
• 3 < x ≤ 5
• 3 ≤ x < 5
• 3 < x < 5

Solve for x: 

• x = {-4, -1}
• x = {-1, -4}
• x = {2+i, 2-i}
• x = {-2+i, -2-i}

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve for x:

• x = {-3+2i, -3-2i}
• x = {7, 6}
• x = 2±i√3
• No solution

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

What is the multiplicative inverse of 2/3?

• -2/3
• 3/2
• -3/2
• 2/3

What is the additive inverse of 2/3?

• -2/3
• 3/2
• 2/3
• -3/2

Tags

CCSS.7.NS.A.1B

Factor completely:
 3x² + 5x - 12

• (3x + 4)(x-3)
• (3x - 4)(x + 3)
• (3x + 3)(x -4)
• (3x - 3)(x + 4)

Factor completely: 3x²-8x+4

• (3x-4)(x-1)
• (3x-2)(x-2)
• (x+1)(3x+4)
• (x+2)(3x+2)

What shifts have occurred?

• left 1, up 5

• left 1, down 5

• right 1, up 5

Which of the following describes the horizontal and vertical translations of the following functions:

f(x) = |x + 4| - 9

• Left 4

  up 9

• Left 4

  Down 9

• Right 4

  up 9