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Exponents DOL

Last updated almost 2 years ago

4 questions

1

1

1

1

Question 1

1.

Which expression is equivalent to \frac{(2x^{2}y^{0})^{0}}{(x^{2}y^{0})(x^{3}y^{4})} for all values of x and y where the expression is defined?

8xy

64x^{3}y^{8}

\frac{1}{x^{5}y^{4}}

4x^{12}y^{4}

Question 2

2.

Which expression is equivalent to (7x^{3})^{2}(x^{8})^\frac{1}{2} for all values of x where the expression is defined?

14x7

49x7

14x10

49x10

Question 3

3.

Which expression is equivalent to (64p^{4}r^{10})^\frac{1}{2} for all positive values of p and r?

64p2r5

32p2r10

8p2r5

8p4r10

Question 4

4.

Which expression is equivalent to \frac{20x^3y^4}{4y^5}\cdot\frac{3(x^2)^4}{y^{-3}} for all values x and y where the expression is defined?

15x11y2

\frac{48x^8}{y^4}

48x8y4

15x9y12