Basic Algebra

Which of the following represents algebraic expression?

• 4x

• 4(2) +5 = 0

• 5 + 6

• 10x + 2

Algebra is the branch of mathematics that helps in the representation of problems or situations in the form of mathematical expressions.

• Yes

• No

How many terms in this algebraic equation?

5m + 2n - pq = 10

• 2

• 4

• 3

• 1

Simplify -12y - (-9y)

• -12y + 9y

• 12y - 9y

• -3y

• -21y

Simplify 7p + 6 - 3 + (-5q) + a

• 7p - 3 + 5q + a

• 35pqa + 3

• 7p(5q) + 3

• 7p + 3 - 5q + a

What is the value of x in the equation 3x + 7 = 16?

• x = 3

• x = 5

• x = 6

• x = 9

Simplify (2x + 3y) - (4x - 2y)

• 6x + y

• 6x + 5y

• 5y - 2x

• 5y - 6x

• 9

• -9a

• -9

• 9a

• -2hjk

• 2k

• 2hjk