Substitution Worksheet With Answer Key - Waynesville R-Vi School District Page 29
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38respectively. What is the scale factor of the first polygon to the second?
6-2 Substitution
Based on the graph, which statement is true?
Mary started with 30 bottles.
On day 10, Mary will have 10 bottles left.
Mary will be out of sports drinks on day 14.
Mary drank 5 bottles the first two days.
Examining the graph, the y-intercept is 25 and the x-intercept is greater than 16. This means that Mary started with
25 bottles and it will be more than 16 days before she is out of drinks. On day 2 it appears that she has 21 bottles
left. This would mean she drank less than 5 bottles the first two days. The line appears to contain the point (10, 10)
which would mean that on day 10, she will have 10 bottles left.
So, the correct choice is G.
If p is an integer, which of the following is the solution set for 2| p | = 16?
{0, 8}
{ 8, 0}
{ 8, 8}
{ 8, 0, 8}
Page 29
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By definition of absolute value, p could be 8 or
So, the correct choice is C.
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