SO (Algebra 1 STAAR STAT Key Practice)
Authored by Morgan Ryan
Mathematics
9th Grade
CCSS covered
Used 146+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation in slope-intercept form of the line that passes through points (-4, 47) and (2, -16)?
y = -21/2x + 979/21
y = -2/21x + 979/21
y = -21/2x + 5
y = -2/21x + 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the slope of the line that passes through points (5, -11) and (-9, 17)?
-2
-1/2
7
2
Tags
CCSS.8.EE.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The graph shows the linear relationship between the maximum area in square feet that can be painted and the number of gallons of paint used.
Which of these best represents the rate of change of the maximum area painted with respect to the number of gallons of paint used?
200
1/200
400
1/400
Tags
CCSS.HSF.IF.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The table shows the linear relationship between the balance of a student's savings account and the number of weeks he has been saving.
Based on the table, what was the rate of change of the balance of the student's savings account in dollars and cents per week?
7
32
1
None of the Above
Tags
CCSS.HSF-LE.A.1B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is another name for slope?
Rate of Change
y-intercept
Initial Value
All Real Numbers
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The graph models the linear relationship between the temperature of the Earth's atmosphere and the altitude above sea level.
Which of these best represents the rate of change of the temperature with respect to altitude?
-6.5
-3.5
-0.29
-0.15
Tags
CCSS.HSF.IF.B.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The table shows the heights and the lengths of several rectangles.
What does the correlation coefficient for the data indicate about the strength of the linear association between the height and length of these rectangles?
Weak negative correlation
Strong negative correlation
Weak positive correlation
Strong positive correlation
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