Question #8452c42b - SAT Suite Question Bank

ID: 8452c42b

Modded SAT Question Bank by Abdullah Mallik

Which expression is equivalent to $50 x squared plus 5 x squared$ ?

$250 x squared$
$10 x squared$
$45 x squared$
$55 x squared$

Toggle Answer

Tip: Press CTRL/Command to toggle answer

Correct Answer: D

Rationale

Choice D is correct. The given expression shows addition of two like terms. Therefore, the given expression is equivalent to $left parenthesis 50 plus 5 right parenthesis x squared$ , or $55 x squared$ .

Choice A is incorrect. This expression is equivalent to $left parenthesis 50 right parenthesis left parenthesis 5 right parenthesis x squared$ , not $left parenthesis 50 plus 5 right parenthesis x squared$ .

Choice B is incorrect. This expression is equivalent to $left parenthesis StartFraction 50 Over 5 EndFraction right parenthesis x squared$ , not $left parenthesis 50 plus 5 right parenthesis x squared$ .

Choice C is incorrect. This expression is equivalent to $left parenthesis 50 minus 5 right parenthesis x squared$ , not $left parenthesis 50 plus 5 right parenthesis x squared$ .

Question Difficulty: Easy