In One Variable) each question carefully. Choose the letter of the correct answer from the given
1. What do you call an open sentence that contains an equal sign?
A. Expression
B Equation
2. It is any value of the variable that makes the open sentence a true sentence.
C. Inequality D. Polynomial
A. Solution
B. Equation
C. Inequality
D. Constant
3. Given: 12x = 12x, what property of equality illustrates the given mathematical statement?
A. Transitive property B. Symmetric property C. Reflexive property D. Addition property
4. What do you call the set of all the numbers from the replacement set that makes the open sentence true?
A. Replacement set B. Constants
C. Solution set D. None of the above
5. Which of the following is a mathematical sentence?
A. Six less than x is 3.
C. Three more than a number
B. The sum of twice y and 4
D. The product of thrice a number and 5
6. Which of the following illustrates Symmetric property?
A. If 4 + 6 = 10, then 10 = 4+ 6.
C. If 3 + 4 = 7, then 4 + 7 = 11.
B. If 3 + 7 = 10 and 10 = 5+ 5, then 3+ 7 = 5 + 5. D. If 3 +2 = 5, then 3+2-2-5-2.
7. Which of the following is NOT true?
A. 15 = 15
D. 66
B. 7> 5
C. 5<7
8. Which of the following illustrates the graph of -3 correctly?
C
+ +
-5 -4 -3 -2 -1 0 1 2 3 4 5
-5 -4 -3 -2 -1 0 1 2 3 4 5
D.
B.
+
+
-5 -4 -3 -2 -1 0 1 2 3 4 5
-5 -4 -3 -2 -1 0 1 2 3 4 5
or numbers 9-10, refer to the given: x - 2 = 11.
9. What number should be added to both sides of the equation to isolate the variable?
A. 11
B. 2
C.-2
D.-11
10. What is the value of x?
A. 11
B. 12
C. 13
D. 14
11. If x = 2, which of the following equation is TRUE?
A. x + 7 = 12 B. x + 3 =
-1
C. x - 2 = 4
D. x + 6 = 8
12. Which of the following is the solution of 3x = 9?
A. - 6
B.-3
C. 3
D. 6
13. Solve: x + 14 = -20
A. -34
B. 34
C.-6
D. 6
14. If x = -2, which of the following is NOT true?
A. 2x = 4
B. 2x = -4
C. 3x = -6 D. = -1
15. Given:2x = 6, find the value of x.
A. 6
B. 7
C. 8
D.9
16. Which of the following is an example of inequality?
A. x + 9
B. x + 5 = 12 C. 2x < 5
D. x - 5
17. Which of the following is the correct translation of the statement "two more than x is greater than 28" into
mathematical statement?
C. x + 2 * 28 D. x + 2 = 28
A. x + 2 > 28 B.X + 2 < 28
18. Which of the following is NOT an Inequality?
C. The product of a number and 5 is at most 40.
A. The sum of x and 15 is greater than 35.
D. The sum of a number and 25 is equal to 30.
B. The difference of 3 and twice m is less than 25.
NIX
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