Question

Analyze Expressions and Equations: Investigation 2
During a strength training workout, Jacoby does 10 sets of push-ups. He does 30 push-ups
during the first set, and he does 3 fewer push-ups in each set after the first.
1. Complete the following table of values to match the scenario described above.
3 4
617
8
27 24 21
15 12 9
X
value
1
30
2
5
18
9
6
10
3
2. Which of the following expressions could be used to represent this scenario?
A. 10x +3
B. 10x -3
C. 30x +3
D. 33-3x
E. 3x+10
F. 3x+30

1. Euphemia
The expression that matches the represent the number of pushups done by Jacob after x sets is -3x + 30

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.
Independent variables represent function inputs that do not depend on other values, while dependent variables represent function outputs that depends on other values.
Let y represent the number of pushups done by Jacob after x sets. he does 3 fewer push-ups in each set after the first, hence:
y = -3x + 30
The expression that matches the represent the number of pushups done by Jacob after x sets is -3x + 30
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