Algebra 1 Sem 2 Review

What is the Solution to this system of equations?

• (2,-2)
• (0, 0)

• Infinite Solutions

• No Solution

Tags

CCSS.8.EE.C.8A

• No Solution

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using ELIMINATION by MULTIPLICATION
2x + 9y = -7 
6x - 3y = 9 

• (-1, -1) 
• (2,-1)
• (1,1)
• (1,-1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which is the best method for solving this system of equations?

-4x - 2y = -12

4x + 8y = -24

• Substitution

• Elimination by Addition

• Graphing

• Elimination by Multiplication

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 Simplify
(3x³y⁵)⁴

• 3x¹²y²⁰
• 81x¹²y²⁰
• 12x¹²y²⁰
• 81x⁷y⁹

Tags

CCSS.HSA.APR.A.1

Multiply (x + 2)(x + 3)

• x² + 5x + 6
• x² + x + 6
• x² + 5x + 5
• x² + 6x + 6

Tags

CCSS.HSA.APR.A.1

Subtract to Simplify:
(4x -5) - (3x+ 2)

• x - 7

• x - 3

• 7x² - 10

• 7x - 3

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA.APR.C.4

Factor
r² -16r + 60

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