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What is a formula?

What is an Equation?

How many coins weigh 875 grams?

A

75

B

7.5

C

100

D

65

Here is the graph for the formula

b = 10 + 5t

Solving the equation

21.50 = 10 + 5t

gives

t=?

b = 10 + 5t

Solving the equation

21.50 = 10 + 5t

gives

t=?

A

3.2

B

2.3

C

11.5

D

5

L= 3m +12

L = 4m + 12

L = 1/3m + 12

What are the values of m when L=48?

L = 4m + 12

L = 1/3m + 12

What are the values of m when L=48?

A

m=3, m=4, m=1/3

B

m=16, m=12, m= 144

C

m=1/3, m=4, m=3

D

m=12, m=9, m=108

What do you remember from today's lesson?

Graphs