8
QuizMultiple Choice
Evaluating Expressions with Exponents
Question 8 • (AG Q1) Keystone Algebra 1 Block: 26-27 (DDiamond)
Fatima evaluated the expression , when and . Her work is shown below. What was Fatima’s error?
Answer
A
She subtracted the exponents incorrectly when simplifying the expression.B
She substituted the wrong values for the variables.C
She did not correctly follow the order of operations by applying the exponent to .
D
She found an incorrect value for since the value should be negative.