I SUCK the most at Algebra, can someone give me a hand PLEASE,
1. Decide whether the pair of lines is parallel, perpendicular or neither:
2x + 5y = 10
5x – 2y = 5
2. Find the slope, if it exists:
x= -5
m=
3. Collect Like Terms:
16c + 16d – 5c – 8d =
4. The function H described by H(x) = 2.75x + 71.48 can be used to predict the height, in centimeters, of a woman whose humerus (the bone from the elbow to the shoulder) is x cm long.
the height of a woman whose humerus is 40 cm long is __________ cm.
5. Solve, then graph: (multiple choice, possible answers below)
7x ≥ 42
Choose the correct solution:
A) {x| x > 6}
B) {x| x < 6}
C) {x| x ≥ 6}
D) {x| x ≤ 6}
Then graph the solution:
6. Find the slope, if it exists, of the line containing the pair of points (8,6) and (10, -5). (simplify your answer)
The slope m=
7. Use the intercepts to graph the equation: x + 5y = 10
8. Graph the system of inequalities
y ≥ -3 and x ≥ 5
9. The equation y = -1777x + 27,153 can be used to predict the number y of gun deaths in the United States x years after 2000, that is, x = 0 corresponds to 2000, x = 3 corresponds to 2003, x=5 corresponds to 2005, and so on. Predict the number of gun deaths in 2005 and 2008. In what year will the number of gun deaths be 11,160?
The predicted number of gun deaths in 2005 will be _________
The predicted number of gun deaths in 2008 will be _________
The predicted number of gun deaths will be 11,160 in the year ________
10. Evaluate
(M+n )/6 for m = 50 and n = 10
(M+n )/6= (simplify your answer)
11. Solve by the elimination method:
5x + 6y = 1
10x + 12y = 2
What is the solution of the system? (Type an ordered pair. Type an integer or a fraction. Type N if there is no solution. Type I if there are infinitely many solutions)
12. Solve:
0.9x + 2 ≤ 1.3x – 3
The solution is
{x| x __ __ }
13. Graph the equation and identify the y intercept
Y + x = -3
The y intercept is: (Type an ordered pair)
14. Graph the equation: y =2
15. On three consecutive passes, a football team gains 9 yards, looses 12 yards, and gains 48 yards. What number represents the total net yardage?
16. Solve using the multiplication principal. Don’t forget to perform a check. (simplify your answer).
- 5/6 x=-7/8
The solution is _____
17. Find the indicated outputs for: (f)x =3x^2 - 5x
f(0) = ____
(f)-1 = ____
f(2)= ______
18. Solve: 5/4 x+1/8 x=5/8+ x
The solution is x = ______
19. Graph the inequality on a plane: 5x +6y ≤ 30
20. Solve: -.01x < -8
The solution is {x|____}
22. Multiply: 9/7*(-9/5) =
23. Solve for the indicated letter: b=6c, for c
The solution is c = _____
24. Soybean is 12% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240lb mixture that is 10% protein?
How many pounds of the cornmeal should be used in the mixture? ____ Pounds
How many pounds of the soybean meal should be in the mixture? ____ Pounds
Any help is appreciated
1. Decide whether the pair of lines is parallel, perpendicular or neither:
2x + 5y = 10
5x – 2y = 5
2. Find the slope, if it exists:
x= -5
m=
3. Collect Like Terms:
16c + 16d – 5c – 8d =
4. The function H described by H(x) = 2.75x + 71.48 can be used to predict the height, in centimeters, of a woman whose humerus (the bone from the elbow to the shoulder) is x cm long.
the height of a woman whose humerus is 40 cm long is __________ cm.
5. Solve, then graph: (multiple choice, possible answers below)
7x ≥ 42
Choose the correct solution:
A) {x| x > 6}
B) {x| x < 6}
C) {x| x ≥ 6}
D) {x| x ≤ 6}
Then graph the solution:
6. Find the slope, if it exists, of the line containing the pair of points (8,6) and (10, -5). (simplify your answer)
The slope m=
7. Use the intercepts to graph the equation: x + 5y = 10
8. Graph the system of inequalities
y ≥ -3 and x ≥ 5
9. The equation y = -1777x + 27,153 can be used to predict the number y of gun deaths in the United States x years after 2000, that is, x = 0 corresponds to 2000, x = 3 corresponds to 2003, x=5 corresponds to 2005, and so on. Predict the number of gun deaths in 2005 and 2008. In what year will the number of gun deaths be 11,160?
The predicted number of gun deaths in 2005 will be _________
The predicted number of gun deaths in 2008 will be _________
The predicted number of gun deaths will be 11,160 in the year ________
10. Evaluate
(M+n )/6 for m = 50 and n = 10
(M+n )/6= (simplify your answer)
11. Solve by the elimination method:
5x + 6y = 1
10x + 12y = 2
What is the solution of the system? (Type an ordered pair. Type an integer or a fraction. Type N if there is no solution. Type I if there are infinitely many solutions)
12. Solve:
0.9x + 2 ≤ 1.3x – 3
The solution is
{x| x __ __ }
13. Graph the equation and identify the y intercept
Y + x = -3
The y intercept is: (Type an ordered pair)
14. Graph the equation: y =2
15. On three consecutive passes, a football team gains 9 yards, looses 12 yards, and gains 48 yards. What number represents the total net yardage?
16. Solve using the multiplication principal. Don’t forget to perform a check. (simplify your answer).
- 5/6 x=-7/8
The solution is _____
17. Find the indicated outputs for: (f)x =3x^2 - 5x
f(0) = ____
(f)-1 = ____
f(2)= ______
18. Solve: 5/4 x+1/8 x=5/8+ x
The solution is x = ______
19. Graph the inequality on a plane: 5x +6y ≤ 30
20. Solve: -.01x < -8
The solution is {x|____}
22. Multiply: 9/7*(-9/5) =
23. Solve for the indicated letter: b=6c, for c
The solution is c = _____
24. Soybean is 12% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240lb mixture that is 10% protein?
How many pounds of the cornmeal should be used in the mixture? ____ Pounds
How many pounds of the soybean meal should be in the mixture? ____ Pounds
Any help is appreciated
