Mathematics, 18.10.2021 01:10 rileysndr1782

What is the value of the expression below when x = 4?
2x2 – 2x + 10

Answers: 3

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Answers

Answer from: ramirex9680

The correct answer is 6.

Step-by-step explanation:

2x2 – 2x + 10 < This is the original expression.

2x2 – 2(4) + 10 < Change the variable.

4 - 2(4) + 10 < Do the multiplication to the left.

4 - 8 + 10 = < Do the multiplication in the middle.

-4 + 10 = < Do the subtraction to the left.

6 < Simplify

Hope this helps! :D

Answer from: kamy8900

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Step-by-step explanation:

Step 1: Define

Identify

2x² - 2x + 10

x = 4

Step 2: Evaluate

Substitute in x: 2(4)² - 2(4) + 10Exponents: 2(16) - 2(4) + 10Multiply: 32 - 8 + 10Subtract: 24 + 10Add: 34

Answer from: Quest

y < -3

step-by-step explanation:

-3y - 2 > 7

-3y -2 + 2 > 7+2

-3y > 9

-3y/-3 < 9/-3 (change the inequality sign when multiplying or dividing by a negative number)

y < -3

Answer from: Quest

what is the question?

step-by-step explanation:

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What is the value of the expression below when x = 4?
2x2 – 2x + 10...