Mathematics 7: Algebra

1. Which is the following is an example of an algebraic expression?

• A. 4 + 3

• B. 5x - 2

• C. 10 = 5 + 5

• D. 12

2. What is the simplified form of the expression: 5x + 2x

• A. 10x

• B. 3x

• C. 7x

• D. X²

3. Solve the equation:

X ÷ 3 = 5

• A. 8

• B. 15

• C. 2

• D. 18

4. What value of x makes the equation true?

X + 6 = 14

• A. 20

• B. 7

• C. 9

• D. 8

5. What is the value of the expression: 3x + 5, when x = 2?

• A. 11

• B. 10

• C. 9

• D. 8

6. Simplify the expression:

2(x + 4) - x

• A. x + 4

• B. x + 8

• C. 2x + 8

• D. x + 2

7. What property is shown in this equation: a + b = b + a

• A. Associative Property

• B. Identity Property

• C. Distributive Property

• D. Commulative Property

8. Which of the following represents a linear equation?

• A. y = x² + 1

• B. y = 2x + 3

• C. y = x³

• D. y = x / 2

9. 9. Factor the expression:

10. x² + 5x

• A. x(x + 5)

• B. (x + 5)(x - 1)

• C. (x + 1)(x + 4)

• D. (x + 2)(x + 3)

10. Which equation represents "five more than twice a number is 13" ?

• A. 2x - 5 = 13

• B. 5x + 2 = 13

• C. x + 5 = 13

• D. 2x + 5 =13