Test 1 – Chapters 1 & 2 – Algebra

Algebra -Test 1 - Chapters 1 & 2

1. Solve for x:

5-4x=-23

Question 1 of 28

2. Solve for y:

3-2y=7

Question 2 of 28

3. Solve for z:

4z+6=-3z-15

Question 3 of 28

4. Solve for x:

frac{2}{5}x-3=frac{3}{10}

Question 4 of 28

5. Solve for w:

frac{w}{-3}=-frac{2}{3}

Question 5 of 28

6. The sum of three and twice a number is fifteen. Find the number.

Question 6 of 28

7. The product of two and the sum of a number and three is equal to fifteen. Find the number.

Question 7 of 28

8. Solve:

0.3x+1.4=0.9x+3.8

Question 8 of 28

9. A board that is 32 inches long is cut into three pieces. The second piece is 2 more than twice the first. The third piece is 2 more than four times as long as the first. Find the length of the three boards. Select all values that apply

Question 9 of 28

10. y varies directly as x. If y is 20 when x is 5, find y when x is 8.

Question 10 of 28

11. y varies inversely as x. If y is 5 when x is 4, find y when x is 10.

Question 11 of 28

12. What number is 4.5% of 32?

Question 12 of 28

13. 72 is what percent of 96?

Question 13 of 28

14. Alejandro needs an average of 85 on his four exams to pass his math test. He scored 75, 90 and 86 on his first three tests. What scores can he earn to pass his class if the tests are out of 100 points possible? Write your answer in interval notation.

Question 14 of 28

15. Solve for r

3r-g=m

Question 15 of 28

16. Given the two sets:

A={2,4,5,7,9,12,15}

B={3,4,5,7,8,12,18}

 

List the elements of Acup B. Select all that apply

Question 16 of 28

17. Given the two sets:

A={2,4,5,7,9,12,15}

B={3,4,5,7,8,12,18}

 

List the elements of Acap B. Select all that apply

Question 17 of 28

18. Solve the compound inequality and give the answer in interval notation.

2(x+3)ge-10 and 3x+8<26

Question 18 of 28

19. Solve the compound inequality. Give your answer in interval notation.

4(x+1)-2>2(x+3) or 5x+3<3x-11

Question 19 of 28

20. Solve the tripartite. Put your answer in interval notation.

32>-2x+12ge-4

Question 20 of 28

21. Solve the absolute value equation. Select all that apply.

3+2left|x+4right|=15

Question 21 of 28

22. Solve the absolute value inequality. Write your answer in interval notation.

left|3(x+2)right|<9

Question 22 of 28

23. Solve the absolute value inequality. Write your answer in interval notation.

5+2left|2x-1right|ge15

Question 23 of 28

24. A relation is defined below.

{(1,2),(2,4),(4,8),(8,4),(2,12)}

Write the domain:

Question 24 of 28

25. A relation is defined below.

{(1,2),(2,4),(4,8),(8,4),(2,12)}

Find the range:

Question 25 of 28

26. A relation is defined below.

{(1,2),(2,4),(4,8),(8,4),(2,12)}

Is the relation a function?

Question 26 of 28

27. For the function f(x)=2x^2-3x+4, evaluate

f(2)

Question 27 of 28

28. For the function f(x)=2x^2-3x+4, evaluate

f(-2)

Question 28 of 28