Cat3LinMultiReps

Category 3: Linear Functions From Multiple Reps
Pre Test

1. A savings account balance can modeled by the graph of the linear function shown
on the grid. What is the rate of change of the balance with respect to the number
of deposits?
A $100 per deposit
B $50 per deposit
C $0.50 per deposit
D $2 per deposit

2. The table represents some points on the graph of a linear function. Which function
represents the same relationship?

F ℎ() = −3 − 10.5
G ℎ() = − − 3.5
H ℎ() = − 3.5
J ℎ() = 3 − 10.5

3. Which graph represents −3 + 5 = −15?

AB

CD

Category 3: Linear Functions From Multiple Reps

Given equation 3x-6y=12 Given the graph

m= _______ b=________ y

Graph the equation 8
7
y 6
5
8 4
7 3
6 2
5 1
4
3 –8 –7 –6 –5 –4 –3 –2 –1–1 12345678 x
2 –2
1 –3
–4
–8 –7 –6 –5 –4 –3 –2 –1 12345678 x –5
–1 –6
–2 –7
–3 –8
–4
–5 Fill in the blanks
–6 y=_____x+_______
–7 _____x + _____y = _______
–8 y -- ____ = ______ (x -- ____ )
Create table
Tony has ______ dollars in his savings
account and withdraws/saves _______ xy
dollars per month.
create table for situation

xy

Category 3: Linear Functions From Multiple Reps

Post Test

l1. Which is an equation for line in the accompanying diagram?

A = 2 + 2
B = 2 − 4
C = −2 − 4
D = −2 + 2

2. What is the equation of the line that passes through the point (3, -7) and has a
slope of − 43?

F = − 4 + 3
3

G = − 4 − 3
3

H = 37 − 4
3 3

J = − 59 − 4
9 3

3. Maria is twice as old as Sue. If x represents Sue’s age, which expression
represents how old Maria will be in three years?

A 2

B + 3

C 1 − 3
2

D 2 + 3

4. Tickets for a music concert were purchased at the rate of 500 tickets in 20
minutes. At this rate, how many tickets were purchased in m minutes?

F 1
25

G 25

H 50

J 500

5. What is the slope of the line that passes through the points (-6, 1) and (4, -4)?

A -2

B2

H − 1
2

J 1
2