Corresponding Sides, Angles, and Scale Factor
Slope
Function
Y=MX vs Y=Mx+B
Initial Value and ROC
100
This symbol stands for ...
congruent
100
What is the simple definition of slope?
Rise over Run
100
What is a function?
a relation in which each input is paired with exactly one output
100
Write an equation for the proportional relationship in the table.
y=18.50x
100
Find the Initial Value
20
200
Which side length corresponds with EF?
LM
200
Find the slope of the line.
Zero Slope
200
Is this a function?
{(4,5),(4,8),(3,6)}
No
200
Does the table represent a proportional relationship? If so, what is the constant?
Yes, k=3
200
The initial value is the y-value when the x is (a)_____ . On a graph, we can find it where the line meets the (b)_______ . In a real-world problem, the initial value is the (c)_____
a. zero
b. y-axis
c. starting amount
300
Which angle corresponds with ∠X?
∠E
300
Which graph best represents an equation of a line with a positive slope?
A.
B. 
c.
D. 
300
input output
7 , 6
3 , 5
4 , 7
What is the domain?
7,3,4
300
The amusement park charges $20 to get in plus $1.50 per ride. Which linear equation below represents this relationship.
y=1.5x + 20
300
What is the initial value of the line graphed below?
4
400
What is the scale factor from the small fry to the large fry?
3
400
Find the slope.
1/4
400
Is it a function?
yes; each input has exactly one output.
400
Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.
y = 2.50x + 3
400
A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?
y=15x+80
500
What is the scale factor from the small shape to the big shape?
2
500
Write the equation for the line in slope-intercept form.
y= 4x+3
500
D
500
Ms Preston works in a gym. At the start of her shift there were 20 people in the gym. Every hour five more people came into the gym. If Ms Preston worked for 4 hours how many people were in the gym at the end of her shift?
40 people
500
Which linear function has the greatest initial value? Which has the greatest rate of change?
Greater Initial Value: C
Greatest ROC: B