Algebraic Expressions & Evaluation
Test your knowledge. You have 3 attempts.
1. Which expression represents "5 less than the product of 3 and a number x"?
2. Evaluate the expression $2a^2 - 4b$ when $a=3$ and $b=2.$
3. What is the value of $|x - y| + \sqrt{z}$ when $x=5,$ $y=10,$ and $z=16?$
4. Simplify the expression $x^4 \cdot x^6.$
5. Simplify the expression $\frac{y^8}{y^4}.$
6. Simplify the expression $(a^5)^3.$
7. Simplify the expression $(2x^2)^3.$
8. Simplify the expression $5x + 3y + 2x - y.$
9. Simplify the expression $8x^2 - 3x^2 + 6x - 4x.$
10. A rectangle has a length of $3x+2$ and a width of $5.$ What is the expression for its perimeter?