Equation and Inequalities

1. How do we call 2a + 3b = 10

• equation

• expression

• inequality

• mathematical phrase

2. Which of the following represents an inequality?

• x - 2 =12

• 2x - 7 = 12

• 2x > 12

• 9 - 7x = 12

3. The following are example of equation except

• 2x + 7 = 10

• 2x - 7 = 10

• 2x (7) = 10

• 2x > 12

4. The equivalent of 2³ is 8.

• False

• Neither True nor False

• Not True

• True

 5. Which of the following is the symbol used for greater than or equal to?

•  $<$  

•  $>$  

•  $\ge$  

•   $\le$  

6. What do you call this mathematical sentence 5x - 2 > 10?

• equation

• expression

• inequality

• all of the above

7. Which of these values of x satisfy the inequality 7x > 8?

• 2

• 1

• 0

• -1

8. The equation 3x - 2 = 7 has _______ solution/s.

• 1

• 2

• 3

• 4

9. The inequality that corresponds to the statement "y greater than or equal to 7" is ________.

• y $\le$ 7

• y $\ge$ 7

• y $<$ 7

• y $>$ 7

10. Which equation is correct?

• 4² = 18

• 7(4) = 28

• 5(6) = 6(6)

• (4²)(3) = 18 (3)