ALGEBRAIC EXPRESSION QUEST

Which of the following best defines an algebraic expression?

• A mathematical phrase that contains numbers and operations only.

• A mathematical phrase that contains numbers, variables, and operations.

• A mathematical statement that compares two quantities using an equal sign.

• A mathematical phrase that contains only variables.

What is the first step in evaluating an algebraic expression?

• Replace the variables with their given values.

• Perform addition and subtraction.

• Multiply all the numbers in the expression.

• Solve the expression from left to rig

  ht.

According to the order of operations (PEMDAS), which operation should be performed first?

• Addition and subtraction

• Multiplication and division

• Parentheses and exponents

• Left to right calculat

  ion

What is the correct evaluation of the expression 10a-2b+4 when a=3 and b=4 ?

• 14

• 23

• 35

• 26

Which of the following is NOT considered an algebraic expression?

• 5x+2y-8

• 4a²+5b+7

• 2m+3n=10

• 3(x+2y)-4x

Evaluate the algebraic expression x²+4x-5, when x= 5.

• 35

• 45

• 40

• 50

Calculate the algebraic expression 5x²+2y-2, when x=2 and y=1.

• 20

• 22

• 18

• 21