Tables & Graphs
What is the independent variable in a table of values?
What is another word for slope?
Rate of change
In the equation y = 3x + 4, what is the slope?
3
Which quadrant is (-3, 5) in?
Quadrant II
If a taxi charges a $3 base fee plus $2 per km, what is the equation?
y = 2x + 3
What is the dependent variable in a table of values?
y
Find the slope between (2, 3) and (4, 7).
In the equation y = -2x + 5, what is the y-intercept?
5
Which quadrant is (4, -7) in?
Quadrant IV
A gym membership costs $20 per month after a $50 registration fee. What is the equation?
If a table of values shows x increasing by 1 and y increasing by 3, what is the slope?
3
What does a slope of 0 mean?
The line is horizontal
Write the equation of a line with slope 4 and y-intercept -2.
What is the y-coordinate of any point on the x-axis?
If a phone plan costs $30 plus $0.05 per text, how much for 100 texts?
If a table of values shows the following points: (1, 2), (2, 4), (3, 6), what is the equation?
y = 2x
If a line has a slope of -3, how does it move?
Down 3 for every 1 step right
If a line passes through (0, 3) and (2, 7), what is its equation?
y = 2x + 3
What is the x-coordinate of any point on the y-axis?
A machine produces 10 items per hour. If it starts with 50 items, what is the equation?
A graph shows a straight line going down from left to right. Is the slope positive or negative?
Negative
A car travels at 60 km per hour. What is the equation for its distance after t hours?
d = 60t
What equation represents a line parallel to y = 5x - 1?
Any equation with slope 5, e.g., y = 5x + 2
What is the midpoint of (2,4) and (6,10)?
A plumber charges a $40 service fee plus $25 per hour. What is the equation for the total cost, C, after h hours of work?
C = 25h + 40