algebra MYP1

State Parts of an Expression

100

What is the coefficient of x in 5x + 7?

ANSWER: 5

200

What is the constant term in 3a + 2b − 8?

ANSWER: −8

300

Which terms are like terms in 4x + 3x − 2?

ANSWER: 4x and 3x

400

How many terms are in 2m + 5n − 3 + m?

 ANSWER: 4

500

In 7x² + 4x − 9, state the coefficient of x², coefficient of x, constant term, and number of terms.

 ANSWER: 7, 4, -9, 3

Product & Exponent Notation

100

Write y × y × y using exponent notation.

ANSWER: y³

200

Write 4 × y as an algebraic expression.

 ANSWER: 4y

300

Simplify 12y-2y+4y +y³

ANSWER: 14y+y³

400

Write 3m × m × 4m using exponent notation.

 ANSWER: 12m³

500

Simplify 3m+m+4n-m-6n

3m-2n

Combine Like Terms

100

Simplify: 3x + 4x

ANSWER: 7x

200

Simplify: -8a + 3a

ANSWER: -5a

300

Simplify: 2m + 7 + 5m − 2

ANSWER: 7m + 5

400

Simplify: 4x + 3y + 2x − y

ANSWER: 6x + 2y

500

Simplify: 7a − 4b + 2a + 6b − 3

ANSWER: 9a + 2b − 3

Substitution

100

Find the value of x + 4 when x = 3.

 ANSWER: 7

200

Find the value of 2a + 5 when a = 4.

 ANSWER: 13

300

Find the value of 3m − 2 when m = 6.

ANSWER: 16

400

Find the value of 2x + y when x = 5 and y = 3.

ANSWER: 13

500

Find the value of 3a + 2b − 4 when a = 2 and b = 5.

 ANSWER: 12