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Precalculus Pretest
By Stephanie Perkins
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Last updated about 3 hours ago
20 questions
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Question 1
1.
If y=3-4x, determine the value of y corresponding to x=-2.
Question 2
2.
Given f(x)=\frac{7}{3x+14}, determine f(2).
Question 3
3.
Sketch the graph of y=2-3x
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Question 4
4.
Find the x- and y-intercepts of the line 5x-3y=15. Give your answers as ordered pairs separated by a comma.
Question 5
5.
Find the slope of the line 5x-3y=15.
Question 6
6.
Find the slope of the line containing the points P(3,-2) and Q(5,6)
Question 7
7.
Graph the solution set of 2x-3y \leq 12
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Question 8
8.
Solve the system
y=2x-4
y=3x+8
Tell what method you used (this question will NOT autograde)
Question 9
9.
Simplify \frac{x^2+x-6}{x^2+2x-3}
Question 10
10.
Simplify \frac{x^2-x-6}{x^2y} \frac{xy^3}{x^2-6x+9}
Question 11
11.
Add \frac{5}{x-2}+\frac{4}{x-2}
Question 12
12.
Solve for r: s=r+rt
Question 13
13.
Simplify (x^3y^9)^\frac{4}{3}
Question 14
14.
Question 15
15.
Simplify \sqrt{80}-\sqrt{20}
Question 16
16.
Simplify
Question 17
17.
Multiply (a+2b)(a-2b)
Question 18
18.
Solve for x and y
Question 19
19.
Solve 2x^{2} +10x+3=0
Question 20
20.
Sketch the parabola f(x)=x^{2}+2x-3
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