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# Unit 1 Review 2 for Intro Math Class

1. Which number is %3c -2?
0, -3, -1, 2
2. short answer questions Which number is %3e -5?
-6, -9, -7, -4
3. Which number is %3c 3?
5, 6, 4, 0
4. What is l-4l?
-4, 4, 3, 2
5. create online tests What is the l3l?
3, 0, -3, 1
6. What is the oppositie of -5?
0, -5, 1, 5
7. Evaluate 2x-2 when x=3
4, -4, 2, 0
8. Evaluate 2(x-3)%2b5 when x=2
0, 2, 1, 3
9. printable Evaluate 2a%2b3b when a=4 and b=2
11, 14, 12, 15
10. Which item below is a numeric expression?
3x%2b2y, x%2by = 5, 2a%2b3b, 3(2-1)%2b5
11. interactive Which item below is a numeric expression?
3a%2b2b, 2-(3-5), 2c%2b3a, 12b
12. Which order of operation should you use first to evaluate the expression? 3(2-1)%2b4x2
13. Evaluate 3^2 – 12x %2b 4 for x = –2 (Hint: ^2 means an exponent of 2)
37, -14, -11, -2
14. Write the expression as an exponent. 7 x 7 x 7 x 7 x 7 x 7 x 7 (Hint: ^ is the symbol for exponent)
7^4, 7^6, 7^5, 7^7
15. Simplify 4x(3-1)^2 (Hint: ^2 means an exponent of 2)
8, 16, 12, 10
16. Evaluate 2^2%2b3-5 (Hint: ^2 means an exponent of 2)
0, 2, 1, 3
17. What is the LCM of 12 and 4?
4, 6, 10, 12
18. What is the LCM of 6 and 4?
10, 12, 15, 18
19. online activities What is the GCF of 18 and 24?
3, 4, 5, 6