Algebra Review

A part of the exponential function is graphed on the grid.

Which inequality best represents the domain of the part shown?

• $x\ge-2$

• $y\ge4.5$

• $x\ge4.5$

• $y\ge-2$

A system of equations is graphed on the grid.

Which system of equations does the graph represent?

• y = -x - 4
  y = 2x - 2

• y = -x + 4
  y = 2x - 4

• y = x - 4
  y = -2x - 2

• y = x + 4
  y = -2x - 4

The graph of f(x) = x² was transformed to create the graph of g(x) = f(x) - 9. Which statement about the graphs is true?

• The graph of g is a reflection of the graph of f across the x-axis.

• The vertex of the graph of graph g is 9 units to the right of the vertex of the graph of f.

• The graph of g is a reflection of the graph of f across the y-axis.

• The y-intercept of the graph of g is 9 units below the y-intercept of the graph of f.

The expression $\left(x^{22}\right)\left(x^7\right)^3$ is equivalent to  $x^p.$  What is the value of p?

•  $32$  

•  $43$  

•  $34$  462

Which graph best represents   $y=10\left(0.85\right)^x?$  

•  $F$  

•  $G$  

•  $H$  

•  $J$  

The graph of a linear function is shown on the grid.

Which equation is best represented by this graph?

• $y+2=\frac{7}{5}\left(x+7\right)$

• $y-2=\frac{7}{5}\left(x-7\right)$

• $y+2=\frac{5}{7}\left(x+7\right)$

• $y-2=\frac{5}{7}\left(x-7\right)$

Which graph best represents    $y=-x^2+6x-1?$  

•  $A$  

•  $B$  

•  $C$  

•  $D$  

6+(4²-1)

• 13

• 21

• 25

• 9

(4+3)x2³

• 56

• 28

• 54

• 45

-5x-2x-1x-3

• -15

• -30

• 30

• 15