START & GROWTH
In y = 5x + 2, what is the growth?
5
x | y
0 | 4
1 | 9
2 | 14
What is the equation?
Answer: y = 5x + 4
A graph goes through (0,2) and (1,5).
What is the equation?
y = 3x + 2
In y = 7x − 3, what is the starting value?
-3
x | y
2 | 9
4 | 17
6 | 25
What is the equation?
y = 4x + 1
A gym charges $20 sign-up and $5 per visit.
Write the equation.
y = 5x + 20
In y = 4x, what is the starting value?
0
x | y
1 | 6
3 | 12
5 | 18
What is the equation?
y = 3x + 3
A theater has 900 seats. x = tickets sold.
Write equation for seats remaining.
y = 900 − x
In y = 3x + 8, what does 8 represent?
START
x | y
0 | −2
1 | 3
2 | 8
What is the equation?
y = 5x − 2
A graph goes through (0,0) and (2,6).
What is the equation?
y = 3x
In y = 6x − 1, what is the growth and start?
Growth = 6, Start = −1
x | y
3 | 8
5 | 14
7 | 20
What is the equation?
y = 3x − 1
A smoothie shop uses 0.75 pounds of fruit per smoothie.
Write the equation.
y = 0.75x