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
What is X in the equation:
X + 7 = 15
X=8
I am the point where the graph of a line crosses the y-axis. Who am I?
Y-Intercept
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
What is m in the equation:
m ÷ 6 = 8
m=48
Terms of an expression that have the same variable and can be combined. Example: 3X, 5X, -7X, 16X, 2X....
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
What are the like terms in the following expression:
2X+3=8+5X
2X and 5X are like terms
Also, 3 and 8 are like terms
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. Straight line that passes through (0,0)
B. 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 value of X:
2X+1=5
X=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
Find x in the equation:
2x + 5 = 17
X=6