Advanced Math

Chief Editor

Mar 23, 2024

Take all 3 MCQs in interactive quiz mode with timer and progress tracking

Which expression is equivalent to $9x^{2} + 7x^{2} + 9x^{2}$?

Difficulty: Easy

63x^{4} + 9x

9x^{2} + 16x

25x^{5}

16x^{2} + 9x

Which expression is equivalent to $\left(2x^{2}+x-9\right)+\left(x^{2}+6x+1\right)$?

Difficulty: Easy

2x^{2}+7x+10

2x^{2}+6x-8

3x^{2}+7x-10

3x^{2}+7x-8

The area $A$, in square centimeters, of a rectangular painting can be represented by the expression $w(w+29)$, where $w$ is the width, in centimeters, of the painting. Which expression represents the length, in centimeters, of the painting?

Difficulty: Medium

$w$

$29$

$(w+ 29)$

$w(w + 29)$