Evaluate the expression below. |8 - 7| · 4 + 3(-1) a. 1 b. 7 c. -7 d. -1

Step-by-step explanation:

Use:

|a| = a for a ≥ 0 or |a| = -a for a < 0

PEMDAS:

PParentheses first

EExponents

MDMultiplication and Division (left-to-right)

ASAddition and Subtraction (left-to-right)

|8 - 7| · 4 + 3(-1)

= |1| · 4 - 3

= 1 · 4 - 3

= 4 - 3

= 1

1

Step-by-step explanation:

Pemdas

parenthesis

exponent

multiply

divide

add

subtract

|8-7|*4+3(-1)

8-7=1

1*4+3(-1)

3(-1)=3

1*4-3

1*4=4

4-3=1

1 is the correct answer.

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation: