Algebra 1 Semester 2 Final Review

Solve the system using elimination.
 $3x-2y=-6$  

 $5x+6y=-10$  

• (-2,0)

• (0,-2)

• (2,0)

• (0,2)

Solve the system using elimination.
 $-4x-6y=6$  
 $4x+6y=-4$  

• no solution

• (2,0)

• (-4,0)

• (0,0)

Does the system below have one solution, no solution, or infinitely many solutions?
 $8x+4y=12$  
 $y=-2x+3$  

• (0,3)

• (3,0)

• No solution(parallel lines)

• Infinitely many solutions

Simplify the expression.

 $5³\cdot5⁴$  

• 5⁷

• 5⁻¹

• 5¹²

• 5

Simplify the expression: 

 $\left(2^8\right)^{2\ }$  

• 2¹⁶

• 2¹⁰

• 2⁶

• 2⁴

Anything raised to a power of zero is always: 

• 0
• 1
• itself
• negative

Tags

CCSS.8.EE.A.1

Simplify the expression:

 $\left(3y^4\right)^2$  

• 9y⁸

• 9y⁶

• 6y⁸

• 6y⁶

Simplify the exponential expression:

• 10x^-2
• 2x²
• 2x¹²
• 10x¹²

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Simplify the exponential expression.

• 2x⁶y¹²
• 2x⁵y⁷
• 8x⁶y¹²
• 8x⁵y⁷

Tags

CCSS.8.EE.A.1

• $x^4y^6$
  

• $\frac{1}{x^4y^6}$

• y

• 1