Algebra 1 June 2017 1.3
Authored by Susanne Fenton
Mathematics
9th Grade
Used 11+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jordan works for a landscape company during his summer vacation. He is paid $12 per hour for mowing lawns and $14 per hour for planting gardens. He can work a maximum of 40 hours per week, and would like to earn at least $250 this week. If m represents the number of hours mowing lawns and g represents the number of hours planting gardens, which system of inequalities could be used to represent the given conditions?
m + g ≤ 40
12m + 14g ≥ 250
m + g ≥ 40
12m + 14g ≤ 250
m + g ≤ 40
12m + 14g ≤ 250
m + g ≥ 40
12m + 14g ≥ 250
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ann invested $1000 in an account with 1.3% annual interest rate. She made no deposits or withdrawals on the account for 2 years. If interest was compounded annually, which equation represents the balance in the account after 2 years?
A = 1000(1 - 0.013)2
A = 1000( 1 + 0.013)2
A = 1000(1 - 1.3)2
A = 1000(1 + 1.3)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which value would be a solution for x in the inequality 47 - 4x < 7
-13
-10
10
11
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bella recorded data and used her graphing calculator to find the equation for the line of best fit. She then used the correlation coefficient to determine the strength of the linear fit.
Which correlation coefficient represents the strongest linear relationship?
0.9
0.5
-0.3
-0.8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The heights, in inches, of 12 students are listed below.
61, 67, 72, 62, 65, 59, 60, 61, 64, 63
Which statement best describes the spread of these data?
The set of data is evenly spread.
The median of the data is 59.5.
The set of data is skewed, because 59 is the only value below 60.
79 is an outlier, which would affect the standard deviation of the these data.
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