Math Test Set 11 - My Career Tools

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1. \(\frac{x^{2}y-x^{5}y^{7}+x^{8}y^{4}}{x^{2}y}\)

Simplify.

A.\(1 - x^{3}y^{6} + x^{6}y^{3}, x,y ≠ 0\)

B.\(x^{4}y^{2} - x^{7}y^{8} + x^{10}y^{5}, x,y ≠ 0\)

C.\(x^{6}y^{3} - x^{3}y^{6} - 1, x,y ≠ 0 \)

D.\(xy - x^{3}y^{6} + x^{6}y^{3}, x,y ≠ 0 \)

Question 1 of 10

2. The graph below shows a function.

A.True

B.False

Question 2 of 10

3. This equation represents a direct variation.

2x = y

A.True

B.False

Question 3 of 10

4. Is the following a function? Explain why or why not.

A.Yes, this does represent a function, because all the points are distinct (none of them are coincident.

B.No, this does not represent a function, since a function can not be made up of only points.

C.No, this does not represent a function, since it fails the vertical line test.

D.No, this does not represent a function, since a function is made up of many more points.

Question 4 of 10

Math- Equations

5. Solve the given equation for x.

7x + 15 = −55

A.-10

B.11

C.-12

D.10

Question 5 of 10

Math-Solution of equations

6. Use the elimination method to solve each of the following systems.

−3x − 5y = −34
7x + 7y = 56

A.(3,5)

B.15

C.(5,3)

D.- (3,5)

Question 6 of 10

7. Use the substitution method to solve each of the following systems.

x = 19 + 7y
3x − 3y = 3

A.(-2,-3)

B.\( \frac{2}{3}\)

C.-(2,3)

D.(-4,6)

Question 7 of 10

Math-Functions

8. Given f(x) = 3x⁴ + 5x³ − 9, evaluate f(−2).

A.-1

B.0

C.no solutions

D.1

Question 8 of 10

Math-Percent of number

9. 200% of what number is 132?

A.66

B.65

C.130

D.33

Question 9 of 10

Math-Evaluate expression

10. Evaluate the expression at the given value of x.

−6x − 6 at x = 3

A.-24

B.24

C.22

D.-22

Question 10 of 10