Linear Function Review STAAR 1.0

What is the equation in slope-intercept form of the line that passes through the points (-26, -11) and (39, 34)?

What is the equation in slope-intercept form of the line that passes through the points (-4, 2) and (12, 6)?

• y = 0.25x + 3

• y = 0.25x - 4.5

• y = 4x + 18

• y = 4x - 42

What is the equation in slope-intercept form of the line that passes through the points (-4, 47) and (2, -16)?

• y = -21/2x + 979/21

• y = -2/21x + 979/21

• y = -21/2x + 5

• y = -2/21x + 5

Which equation in standard form has a graph that passes through the point (-4, 2) and has a slope of 9/2?

• 9x - 2y = 36

• 9x - 2y = 26

• 9x - 2y = -40

• 9x - 2y = -10

The graph of a linear function is shown. Which function best represents the relationship shown in the graph?

• y = -3/5x - 5

• y = -3/5x - 3

• y = -5/3x - 5

• y = -5/3x - 3

The total cost, y, for x tickets to a concert includes a flat fee for processing and a cost per ticket. One customer purchased 4 tickets for a total cost of 160. Another customer purchased 8 tickets for a total cost of 300. Which linear equation represents the total cost in dollars, y, for x tickets?

• y = 40x

• y = 37.5x

• y = 35x + 20

• y = 20x + 35

Which function represents this relationship?

The graph of a linear function is shown on the grid. Which function is best represented by this graph?

• g(x) = 6x + 4

• g(x) = 4x - 2/3

• g(x) = -3/2x + 6

• g(x) = -2/3x + 4

The table represents some points on the graph of a linear function. Which equation represents the same relationship?

• y + 268 = (1/12)(x + 20)

• y + 20 = (1/12)(x + 268)

• y + 268 = 12(x + 20)

• y + 20 = 12(x + 268)

Which function represents the same relationship?

• h(x) = -3x - 10.5

• h(x) = -x - 3.5

• h(x) = 3x - 10.5

• h(x) = x - 3.5