STAAR ALGEBRA REVIEW 2019 Quiz 4

What is the solution to this sytem?

y = -3x + 2

y = 2x - 3

• (1, -1)

• no solution

• (-1, -1)

• (-1, 1)

Which expression is equivalent to  $14c^2d^{4\ }+\ 7cd^2$ . 

•  $7cd^2\left(2cd^2\ +\ 7cd\right)$  

•  $7cd^2\left(2cd^2\ +\ 1\right)$  

•  $7cd\ \left(cd^3\ +\ cd\right)$  

•  $7c^2d^2\ \left(2cd\ +\ cd\right)$  

What is the solution to the system

x + 2y = 6

5x + 2y = 18

• (1.5, 3)

• (-3, 1.5)

• No solution

• (3, 1.5)

Which is NOT an example of a function?

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• 
• 
• 

Which does NOT shows y as a function of x?

• 
• 
• 
• 

Which expression is equivalent to $y\ =\ 2\left(x-1\right)^2\ +\ 6$ 

•  $2x^2-4x+8$  
  

•  $2x^2-4x\ +2$  
  

•  $x^2-2x\ +1$  
  

•  $x^2-2x\ +7$  
  

The graph of linear function g passes through the points (3,0) and (-3, -4). Which statement must be true?

• x intercept is 3 and the slope is 2/3

• x intercept is 3 and the slope is 3/2

• y intercept is 3 and the slope is 3/2

• y intercept is 3 and the slope is 2/3

What is the solution to -(5x+2) = 3(4 + x)?

• 1.25

• -1.75

• 5

• -4

The table shows a linear relationship between x and y. What is the rate of change of y with respect to x?

• 1/3

• -1/3

• 3

• -3

Which inequality best represents the domain of the part shown?

• y > 0

• x > 0

• 0 < y < 4

• 0 < x < 2