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Manual et al - PreCalculus 1/e (Homework)

James Finch

Math - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 2 / 9

Due : Sunday, January 27, 2030 00:00 EST

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5 6 7 8
–/1 1/1 –/2 –/1 –/1 –/1 1/1 –/1
Total
2/9 (22.2%)

  • Instructions

    Here are some questions from PreCalculus by David Manuel, Michael Stecher, and Patti Wells published by Texas A&M Math Department. Click here for a list of all of the questions coded in WebAssign. This demo assignment allows many submissions and allows you to try another version of the same question for practice.

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1. –/1 points TAMUPreCalc1 1.A.019. My Notes
Question Part
Points
Submissions Used
1
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0/50
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–/1
 
Evaluate the given expression.
 
3 
3
4
3 
3
2
 − 2 
1
5
 
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2. 1/1 points  |  Previous Answers TAMUPreCalc1 1.B.015. My Notes
Question Part
Points
Submissions Used
1
1/1
1/50
Total
1/1
 
Simplify the expression.
324x4
2x3√3x
Correct: Your answer is correct.
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3. –/2 points TAMUPreCalc1 1.E.003. My Notes
Question Part
Points
Submissions Used
1 2
–/1 –/1
0/50 0/50
Total
–/2
 
Find real numbers a and b such that
(8a − 9) − 40i = 31 − (5b)i

a =
b =
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4. –/1 points TAMUPreCalc1 2.A.011. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Solve by factoring. (Enter your answers as a comma-separated list.)
x3 − x2 − 20x = 0
x =
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5. –/1 points TAMUPreCalc1 2.A.024. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Brady throws a ball into the air. The equation
s = −16t2 + 30t + 4
 gives the height of the ball s (in feet) t seconds after throwing it. When will the ball hit the ground after he throws it?
sec
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6. –/1 points TAMUPreCalc1 3.A.012. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
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–/1
 
Write an equation that describes all the points (x, y) that are 6 units from point B(3, 0).
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7. 1/1 points  |  Previous Answers TAMUPreCalc1 3.C.009. My Notes
Question Part
Points
Submissions Used
1
1/1
2/50
Total
1/1
 
Graph the equation
8x + 9y = 45.

No Solution
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8. –/1 points TAMUPreCalc1 3.C.017. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
If the line through (2, 9) and (4,
y2)
 is parallel to the line
7x − 2y = 6, find y2.

y2 =
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