Algebra I SOL Review (based on 2015 Released Test questions)

Directions: Click on all the correct answers.

Identify each expression that is in simplest radical form.

• $x\sqrt{50y}$

• $64\sqrt{x}$

• $7x^2y\sqrt{2xy}$

• $\sqrt{12x^3y^4}$

Which expression is equivalent to  $\frac{1}{6}\left(30x-24y\right)-\frac{1}{8}\left(32x-16y\right)?$  

•  $x-6y$  

•  $x-2y$  

•  $2x-4y$  

•  $9x-6y$  

Which graph best represents the equation  $4x+5y=-20?$  

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A formula to find the angle measures of an isosceles triangle is shown.
 $180=2x+y$  
Which equation can be used to find x? 

•  $x=\frac{180-y}{2}$  

•  $x=\frac{180+y}{2}$  

•  $x=90-y$  

•  $x=90+y$  

Which equation represents the line that passes trough the points  $\left(-4,\ 4\right)$  and  $\left(8,\ -2\right)$  ?

•  $y\ =\ -2x+14$  

•  $y=-2x-4$  

•  $y=-\frac{1}{2}x+2$  

•  $y=-\frac{1}{2}x-2$  

What is the solution to this system of equations?

 $2x+4y=22$  

 $7x+y=12$  

•  $\left(3,4\right)$  

•  $\left(2,-2_{ }\right)$  

•  $\left(1,5\right)$  

•  $\left(-1,6\right)$  

What value of x makes this equation true?
 $3x-20=-2x$  

•  $-20$  

•  $-4$  

•  $4$  

•  $20$  

Which equation best represents line m?

• $y=-3x-4$

• $y\ =\ -\frac{1}{3}x-4$

• $y\ =\frac{1}{3}x-4$

• $y=3x-4$

Solve for n:

 $\frac{3n-7}{6}=\frac{2n+5}{3}$ 

The graph of line l is shown. Which number is closest in value to the slope of line l?

• $-6$

• $-\frac{1}{6}$

• $\frac{1}{6}$

• 6