ANSWERS TO CHAPTER 3 and 4 Sample Test
Mr. Groccia
MAT0024C Beginning Algebra
Chapter 3 and 4 Sample Test
1. Graph: y = -x - 9
2. Graph: 4x + 5y = 20
3. Graph: y = 2x + 2
4. Is (-5, 4) a solution of the equation 4x + y = 16?
-16 = 16
Not a solution
5. Graph: y = - 3
6. Find the slope of the line passing through the points (3, -8) and (6, -4).
Slope Formula:
Slope = 4/3
7. Find the equation of a line with the slope of -8 and y-intercept of 5.
Equation of a line is: y = mx + b
y = -8x + 5
8. What is the x – intercept and the y –intercept of the graph of: 3x – 2y = 24?
x - intercept: (8 , 0)
y - intercept: (0, -12)
9. Convert to standard form:
1,230,000
10. Convert to scientific notation: .000456
11. Simplify:
12. Simplify:
Answer:
13. Simplify:
Answer:
14. Simplify:
Answer:
15. Simplify:
Answer:
16. Simplify:
Answer:
17. Classify as a monomial, binomial, or trinomial:
Answer: Binomial
18. Find the degree of the polynomial:
Answer: Degree is 6
19. Add:
Answer:
20. Subtract:
Answer:
21. Multiply:
Answer:
22. Multiply:
Answer:
23. Multiply:
Answer:
24. Multiply:
Answer:
25. Simplify: