STAAR Algebra Review 2019 Quiz 1

What is the domain and range?

• Domain: All real numbers
  
  Range: All real numbers

• $Domain:\ \ x\ >0\ \ \ \ \ \ \ Range:\ \ y\ >-2$

• $Domain:\ \ x\ \ge\ 0\ \ \ \ \ \ \ Range:\ \ y\ge-2$

• $Domain:\ \ All\ real\ numbers\ \ \ \ \ Range:\ y\ge-2$

Which equation in slope intercept form is perpendicular to the equation y = 1/2x - 4 and also crosses point (20, -35)

• y = 1/2x + 5

• y = -2x + 5

• y = -1/2x - 45

• y = 2x - 75

What is the rate of change?

• $39 per game

• $78 per game

• $41 per game

• $124 per game

What equation in slope intercept form, describes the line that passes through the points (2, 2) and (-1, -13).

• y = -5x + 12

• y = -12x + 26

• y = 5x - 15

• y = 5x - 8

Which function is equivalent to g(x) =  $2x^2$  + 7x + 6

• (x + 6) (x + 1)

• (2x + 1) (x +3)

• (x + 2) (2x + 3)

• (x + 4) (x + 3)

Which equation matches this graph?

• 5x + 4y = 15

• 3x + 5y = 3

• y = 4/5x + 3

• 4x + 5y = 15

What is the rate of change?

• 5

• 7

• 7.2

• 31

Which function is equivalent to f(x) =  $x^2$ + x - 42

• (x + 7) (x - 6)

• (x - 2) (x + 21)

• (x - 7) (x + 6)

• (2x - 7) ( x + 6)

What is the equation of the line that passes through (-1, 2) (3, 4)?

• y = 2x - 1.5

• y = 1/2x + 5.5

• y = 2x + 5.5

• y = 1/2x + 2.5

What is the domain and range if the profit can never be negative?

• Domain is all real numbers; Range is all real numbers

• Domain: all real numbers; Range: y $\le$ 2.200

• Domain: 120 $\le$ x $\le$ 338; Range: 0 $\le$ y $\le$ 2200

• Domain: x $\ge$ 120; Range: y $\le$ 2200