Vocabulary
The equation Y=mx+b is not in Slope-Intercept form.
TRUE OR FALSE?
FALSE
A proportional relationship always passes through the point (0, 0). TRUE OR FALSE?
TRUE
A nonproportional relationship passes through the origin (0,0). TRUE or FALSE
FALSE
18+(−25)
-7
A line runs 2 units and rises 34 units. What is the slope?
17
What is the y-intercept of a line?
The y-intercept is the point where a line crosses the y-axis. It is also the value of y when x = 0.
Which equation represents a proportional relationship?
A. y=4x
B. y=4x+3
y=4x
What is the initial value of the equation:
y=4x+7
7
−9+(−6)
-15
A wheelchair ramp rises 3 feet and runs 24 feet. What is the slope of the ramp? Write your answer as a simplified fraction.
1/8
Terms of an expression that have the same variable and can be combined
Like terms
Find the constant of proportionality:
Y=7X
7
What is the slope and y-intercept of the equation:
y=3x−5
12 - - 14
26
A hiking trail climbs 150 feet in elevation over a horizontal distance of 300 feet.
What is the slope of the trail?
150/300 = 1/2
A student is solving the equation: 3x+5=20
They subtract 5 from both sides to get: 3x=15
Which vocabulary word describes what the student is trying to do?
Isolate
Which graph represents a proportional relationship?
A. A straight line that passes through (0,0)
B. A straight line that crosses the y-axis at (0,4)
A. A straight line that passes through (0,0)
A movie theater charges a $10 entrance fee plus $4 for each ticket purchased.
Write an equation that represents the total cost.
y=4x+10
-13-28
-41
Find the slope of the line through the points:
A: (−2,4) and B:(2,−4)
-2
A rule that tells us to multiply the number outside the parentheses by every term inside the parentheses.
Example: 3(x+4)=3x+12
Distributive Property
A graph shows a line passing through the points (0,0) and (5,20).
What is the constant of proportionality?
4
A line has a slope of 6 and a y-intercept of -2.
Write the equation of the line.
Y=6x−2
18−(−7)−10
15
A roof rises 10 feet over a run of 20 feet.
Is the slope greater than 1, equal to 1, or less than 1?
Slope is 10/20 =1/2 Less Than 1