Math 021 Test 2 Review Sheet - 2012 Page 8
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12Test 2 Review Sheet
MATH 021
09/12
47.
Use the table to solve each equation.
x
a.
-12
4
-5
3
b.
0
2
c.
What can you say about the solution
3
1
to
?
4
0
48.
Use the graph to solve each equation. Note that equations may have more than one
solution or no solution.
a.
b.
c.
d.
49.
a.
Build an input-output table for the equation
. Use integer inputs
from −1 to 3.
b.
On graph paper, graph the ordered pairs from your table and connect them to form
a smooth curve.
50.
Write each sentence as an equation with x as the input and y as the output.
a.
The output is ten more than triple the input.
b.
The output is two less than the quotient of the input and 9.
8
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