STAAR Algebra Review

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 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 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 slope of a line that passes through the points (2, 3) and (4, 7)?

• 1

• 2

What is the rate of change?

• $39 per game

• $78 per game

• $41 per game

• $124 per game

• (x + 6) (x + 1)

• (2x + 1) (x +3)

• (x + 2) (2x + 3)

• (x + 4) (x + 3)

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

What is the domain and range?

• Domain: All real numbers
  
  Range: All real numbers