Saturday

April 18, 2015

April 18, 2015

Posted by **Loreal** on Sunday, December 23, 2007 at 1:48pm.

Answer: I'm not sure if its -5 or 40

2. 6x – 7 = 5(x – 2)

Answer: -3

3. Solve for y. 3x – 2y = 12

Answer: 3x-12/2

4. Solve. –3(x – 3) + 8(x – 3) = x – 9

Answer: 1 1/2 or 1.5

5. Find the slope of the line passing through the points (8, 3) and (–2, 4).

Answer: -1/10

6. Find the slope of the line passing through the points (10, –4) and (–4, –4).

Answer: 0

7. A plane took 1 hour longer to travel 560 miles on the first portion of a flight than it took to fly 480 miles on the second portion. If the speed was the same for each portion, what was the flying time for the second part of the trip?

Answer: 6hrs

8. Given f(x) = 2x2 – 3x + 5, find f(5).

Answer: 40

9. Rewrite the equation 4x – 2y = –6 as a function of x

Answer: f(x) = 2x + 3

10. Are the following lines parallel, perpendicular, or neither?

L1 with equation x – 2y = 10

L2 with equation 2x + y = 2

Answer: perpendicular

- Algebra -
**Damon**, Sunday, December 23, 2007 at 2:58pm1. 5*3 - 20 = -5

2. right

3. (3x-12)/2 need parenthesis

4. –3(x – 3) + 8(x – 3) = x – 9

-3x+9+8x-24=x-9

4x = -42

x = -21/2 or - 10 1/2

5. right

6. right

7. right

8. right

9. right

10. right 1/2 = -1/(-2)

- Algebra -
**Damon**, Monday, December 24, 2007 at 3:40pmWhoa - #1

I did not finish correctly

(8 – 3) (12 ÷ 2 • 2) – 20

(5)(6*2) -20

(5)(12) - 20

60 - 20

40

**Answer this Question**

**Related Questions**

algebra - Need some one check my homework. Evaluate 3p/q when p=2 and q=6. ...

Algebra II - Please check answers: Use the equation of the exponential function ...

math - Evaluate: -3/4 - 1 3/8 A: - 17/8 B: -1 C: 17/8 D: -5/8 I put C but its ...

Algebra 2 - Exponential Notation Evaluate the following: x^3+y^-2 for x=-3 and y...

Algebra - Could someone correct my answers and help with the other problems? 1. ...

trig - Is the answer to this problem correct? I'm not sure and I want to make ...

algebra - Solve the given equations: 1. |2x-5|= 29 Answer: x=17 or is it...

Algebra - Can someone check my algebra answers and help me with the problems I ...

Algebra(check pt 3) - 1)The dimensions of ST. S[7/12 -1/9] [-1/3 1/9] T[4 -5 2...

Algebra - I am trying to find out if my answer's are correct. Can someone please...