Algebra Final Review

Which is the best method to solve this system of equations?
2y = 3x - 17
-4y= 5x + 12

• Substitution
• Elimination
• Equal Values Method
• Graphing

Solve this problem:

• x = 4, 0 
• x = 0, 8 
• x = 4, -4 
• x = 8, -8 

(2ab)³

• 2³a³b³
• 2ab³
• 6a³b³
• 6ab

Simplify (-5.7)⁰

• 1
• 0
• -1
• -5.7

• -6c⁵
• -6c
• 6c
• -6c⁶

Simplify this expression: 
(x + 3)(2x + 1) 

• 2x² + 7x + 3
• x² + 6x + 1
• 2x² + 6x + 3
• 3x² + 7x + 3

Simplify this expression: 
2x - (10 - 3x) 

• -x - 10
• 5x + 10
• 5x - 10
• x - 10 

If f(x) = 10 + √x  
Find f(25)= 

• 15
• 10
• 20

• x = 5 or -5
• x = 3 or -3 
• x = 123
• None of these

What is the domain of this function? 

• -∞ ≤ y ≤ ∞
• -∞ ≤ x ≤ ∞
• 0 ≤ x ≤ ∞