Algebra II Regents Review

(1-3i)(2+5i) ** Remember i * i = i ² and i ² = -1

• 22-i

• 16-i

• 17-i

Factor completely:

3x² + 18x +15

Hint: Assign x a value and check answers

• 3(x² + 6x + 5)

• (x + 5)(x + 1)

• 3(x + 5)(x + 1)

• Prime

Expand the logarithmic expression.

log a²b

• 2(log a+log b)

• (log a²)(log b)

• 2 log a+log b

• None of the above

Solve the system

• (-2,1)

• Infinite Solutions

• (2,-1)

• (-2,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Simplify (3 – 7i)(2 + 5i)

• 41

• 6 – 35i

• 41 + i

• -29 + i

Tags

CCSS.HSN.CN.C.8

Solve: 9^8-x = 27^x-3

• x = 5

• x = -5

• x = 1/5

• x = -1/5

Solve 8 = 2^5x+7

• x = ⅘

• x = ¼

• x = -⅘

• x = -¼

Solve for n:
2^-2n = 2⁶

• n = -1

• n = -7

• n = 5

• n = -3

Write log₃ 81 = 4 in exponential form.

• 81⁴=3

• 81³=4

• 4³=81

• 3⁴=81

Tags

CCSS.HSF.BF.B.5

f(x)=2x-5 and g(x)=x+4. Find f(g(x))

• 2x²+3x-20

• 2x-9

• 2x+3

• 2x-1

Tags

CCSS.HSF-BF.A.1C