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Unit 5 Algebra Exam
| Question 1: (1 point)
Find the slope of the line.
If the slope is undefined, enter “u”.
m= ____________
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Question 2: (1 point)
Graph the line with slope 52 that passes through the point (−1,1).
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Question 3: (1 point)
Write the slope-intercept form equation of the line with slope 6 that passes through the point (0,−3).
Enter any non-integer coefficient as a fraction.
y=__________
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Question 4: (1 point)
Write the slope-intercept form equation of the line with slope 35that passes through the point (0,2).
Enter any non-integer coefficient as a fraction.
y=__________
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Question 5: (1 point)
Graph y=−3x+1.
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Question 6: (1 point)
Write the slope-intercept form of the line that passes through (1,−7)and (3,−11).
Complete the equation of the line in slope-intercept form.
y=__________
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Question 7: (1 point)
| Write the equation of the line that passes through (− 6, 4) with slope 23 in point-slope form and in slope-intercept form.
IMPORTANT NOTE: Do NOT use the Equation Editor to answer this question. The answers must be entered in text entry mode to be scored correctly. If the entry mode is already set to Equation Editor, switch to text entry mode before grading your answers.
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| (a) |
Complete the equation of the line in point-slope form. If any number in the equation is not an integer, enter it as a fraction.
Point-slope form: y−4=__________
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| (b) |
Complete the equation of the line in slope-intercept form. If any number in the equation is not an integer, enter it as a fraction.
Slope-intercept form: y=__________
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Question 8: (1 point)
Line lpasses through (2,5)and line pis the graph of y+2=−5(x+2).
If lis parallel to pwhat is the slope-intercept form equation of l?
Complete the equation of the line in slope-intercept form.
y=__________
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Question 9: (1 point)
Line lpasses through (4,−3)and line pis the graph of 2x−5y=11.
If l⊥p,what is the slope-intercept form equation of l?
Complete the equation of the line in slope-intercept form. If any number in the equation is not an integer, enter it as a fraction in simplest form.
y=
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Question 10: (1 point)
| After 4 minutes an ant traveled 105 meters and after 6 minutes the ant will have traveled 135 meters. |
| (a) |
Assuming a linear equation can be used to model the change in distance traveled over time beetween 4 and 6 minutes, write this linear model in slope-intercept form: __________
Let ybe the distance traveled (in meters) after xminutes.
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| (b) |
The significance of the slope in the context of this situation is:
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(a) |
The ant travels at an average of 45 meters per minute. |
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(b) |
The ant travels at an average of 15 minutes per meter. |
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(c) |
The ant travels at an average of 45 minutes per meter. |
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(d) |
The ant travels 45 meters in 15 minutes. |
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(e) |
The ant travels at an average of 15 meters per minute. |
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| (c) |
Predict the distance that the ant will have traveled after 12 minutes and the number of minutes it will take for the ant to travel 315 meters
The distance that the ant will have traveled after 12 minutes is ____________meters.
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| (d) |
The number of minutes that will pass from the time the ant begins moving until it has traveled 315 meters is ____________minutes. |
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