Exploring Linear Relationships for STAAR Review

What is the standard form of an equation needed to graph a line?

• x = my + b

• y = m/x + b

• y = mx - b

• y = mx + b

What does the 'm' in the slope-intercept equation represent?

• Y-intercept

• X-intercept

• Slope

• Coefficient

If a line crosses the y-axis at y=2, what is the y-intercept?

• 2

• 0

• 1

• 3

How do you calculate the rate when given distance and time?

• Multiply distance by time

• Divide distance by time

• Add distance to time

• Subtract time from distance

What does the formula 'd = rt' imply when solving for 'r'?

• r = d - t

• r = d + t

• r = d/t

• r = dt

What is the constant of proportionality if y=4 when x=124?

• 31

• 4

• 1/31

• 124

If the constant of proportionality is 1/31, what is k when y=6 and x=186?

• 1/31

• 31/1

• 186

• 6

In a table, what do the x-values typically represent?

• None of the above

• Independent variable

• Dependent variable

• Constant variable

What variable changes depending on the other in a graph?

• Neither variable

• Both variables

• Dependent variable

• Independent variable

What does the y-value represent in a graph?

• Dependent variable

• Rate of change

• Constant of proportionality

• Independent variable