Engineering homework help. MA 104 Final Examination
1. Simplify the algebraic expression.
7(3x + 6) – 5 =
2. Add the polynomials.
(12y – 6) + (-7y + 5) =
3. Subtract the polynomials.
(3x + 15) – (-18x + 12) =
4. Solve the equation.
4(2z – 3) = 7(z + 4)
5. Solve. If the cost, y, for manufacturing x units of a certain product is given by
– 20x 1500 2
y  x 
, find the cost of manufacturing 80 units.
6. Solve the formula for the specified variable.
bh
2
1
A 
for b
7. Evaluate the polynomial for the given values of x and y.
2x + 5y – 6; x = 2 and y = 3
8. Graph the linear equation in two variables.
y = 2x
9. Simplify. -5(2w – 7) – 3(4w – 6)
10. Solve. 9a – 5 = 8a + 2.
11. Solve. 8.21x = 3.9(4.4x – 2.7) Round your result to two decimal places.
12. Solve. 9(3x + 2) – (4x – 6) = x.
13. Solve.
14. A person plans to enclose a rectangular garden with fencing. If the width of the garden is 8
feet, and if 52 feet of fencing is required to enclose the garden, what is the length of the garden?
15. Find the x-intercept and y-intercept of the equation 6x – 3y = 18.
16. Find the equation of the line that has the slope and passes through the point
(6,-1).
17. Find an equation of the line passing through the points (-4, 6) and (2, 3).
18. Solve the inequality.
x + 4 ≥ x – 3
19. Solve the inequality.
3(2x + 1) ≤ 4(x + 2) – 1
20. Solve the inequality

Engineering homework help