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Questions and Answers

Mr. Green has saved $500 and plans to save an additional $150 each month. Formulate an algebraic expression to represent the total amount of money saved after m months.

$500 + $150m

Express the algebraic representation of 'the square of a divided by the fourth root of b'.

$\frac{a^2}{\sqrt[4]{b}}$

Given $x = 4$, $y = -2$, and $z = \frac{1}{2}$, what is the value of the expression $\frac{x^2 - 3y}{4z}$?

$\frac{22}{2}$ or 11

Given $a = 10$, $b = \frac{1}{5}$, and $c = -2$, evaluate the expression $|5 - a| + b^2\sqrt{25c^2} + 5$.

<p>12</p> Signup and view all the answers

Which of the following expressions are equivalent to $x^6$: $\frac{x^8}{x^2}$, $\frac{x^{12}}{x^2}$, $(x^3)^2$, or $x^4 \cdot x^2$?

<p>$(x^3)^2$, $x^4 \cdot x^2$</p> Signup and view all the answers

Simplify the expression $(\frac{1}{3}x^2)(\frac{1}{5}x^4)$ completely.

<p>$\frac{1}{15}x^6$</p> Signup and view all the answers

Completely simplify: $(-2a^2b^{-3}c)^3$

<p>$\frac{-8a^6c^3}{b^9}$</p> Signup and view all the answers

Determine the value of k such that the expression $\frac{x^{3k}}{x^{6}}$ is equivalent to $x^{18}$.

<p>8</p> Signup and view all the answers

Simplify the expression $(\frac{3x^2y^4}{9xy^{-2}})^{-3}$.

<p>$\frac{27}{x^3y^{18}}$</p> Signup and view all the answers

A rectangular prism has dimensions $3x^2y$, $4xy^3$, and $2x^3y^2$. Express its volume in simplified form.

<p>$24x^6y^6$</p> Signup and view all the answers

Flashcards

Expression for total savings

An expression to find the total amount of money saved, with $1,000 initial savings and $200 saved each month represented by 'x'.

Quotient of Twice X and Cube Root of Y

Represents the quotient of twice a variable 'X' divided by the cube root of a variable 'Y'.

Equivalent to x⁸

Equivalent expressions to x⁸ are x³ * x⁵

Simplify (-5q³r⁻⁵s)²

Simplified form of (-5q³r⁻⁵s)² which equals 25q⁶r⁻¹⁰s²

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Simplify (2x⁴y³ / 8xy⁻⁵)⁻²

Simplifying (2x⁴y³ / 8xy⁻⁵)⁻² results in 16 / (x⁶y¹⁶)

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Value of p where expression is equivalent to x⁵⁰

For (x²)^p / (x⁴)^-10 to be equivalent to x⁵⁰ , p equals 45.

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Volume of a 3D shape

Multiplying 6y³, 5x²y², and 6xy⁵ gives a volume of 180x³y¹⁰.

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Simplified form of √60

√60 simplifies to 2√15 because 60 = 4 * 15 = 2² * 15.

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Simplify √270

√270 is equals to 3√30 when simplified.

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Study Notes

  • These notes cover math problems from a test review

Problem 1

  • Expression to represent total savings is 1,000 + 200x
  • It calculates total amount saved where x is the number of months

Problem 2

  • Expression for "the quotient of twice of X and cube root of Y" is (2x) / (cube root of Y)

Problem 3

  • Given a = 12, b = -7, and c = 1/4, evaluating (b^3 - 5a) / (8c) yields -201.5

Problem 4

  • Given a = 25, b = 1/9, and c = 7 evaluate |9 - a| + b^3 * sqrt(5a) + 10 results in 26.55

Problem 5

  • Expressions equivalent to x^8 are (x^4)^2 and x^3 * x^5

Problem 6

  • Simplifying the expression (1/4 * x^5) * (4/7 * x^3) results in 1/7 * x^8

Problem 7

  • Simplifying (-5q^3r^-5s)^2 results in 25q^6r^-10s^2

Problem 8

  • The value of p for which (x^2)^p / (x^4)^-10 is equivalent to x^50 is p = 45

Problem 9

  • Simplifying (2x^4y^3 / 8xy^-5)^-2 results in 16 / (x^6y^16)

Problem 10

  • The volume given the image is: 180x^3y^10

Problem 11

  • 2√15 is the simplified form of √60

Problem 12

  • The simplified form of √270 is 3√30

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