# help is needed im stuck?

Determine whether the graphs of the given pairs of line are parallel, perpendicular or neither.

3y - x = 2

y + 3x =4

1.

Solve : 9 (2x + 8) = 20 -(x + 5)

(Points :5)

5

2

-3

4

2.

A = h( a + b)/2, Solve for a

(Points :5)

2A/h +b

(2A +b)/h

2A/h - b

(A -b)/2h

3.

The following is a real estate commission on the selling price of a house:

7% for the first \$100,000, and

5% for the amount that exceeds \$100,000.

A realtoe recieves a commission of \$ 15,250 for selling a house. What was the selling price?

(Points :5)

\$250,000

\$265,000

\$200,000

\$280,000

4.

Solve 2 y - 7 < 5 y - 9

(Points :5)

y < 2/3

y > 2/3

y > 2

y < -2/3

5.

Solve |9x -4| = -5

(Points :5)

-1/9, 1

1/9, -1

1, 1/5

No Solution

6.

Solve | p -2| < 6

(Points :5)

p < 8, p > 4

p < 8 , p > -8

p > 8, p < -4

p < 8, p > -4

7.

Determine which ordered pair is solution of the given equation:

3x + y = 7; (2,1 ) , (4, -5 )

(Points :5)

(2, 1)

(4, -5)

(2, 1), (4, -5)

None of these

8.

Find the function values of equation f(x) = 4x^2 - 9x +2.

Find f(-10)

(Points :5)

370

312

322

-488

9.

Find the domain and range of the given oset of r ordered pair

{ (2, 3), (3, 5), ( -1, 8), (9, 10),(4,6),(5,7)}

(Points :5)

D:{2,3,-1,9,4,5}, R: { 3,5,8,10,6,7}

D:{2,3,-1,9,4,7}, R: { 3,5,8,9,6,7}

D:{2,3,8,9,4,5}, R: { 3,5,-1,10,6,7}

D:{3,5,8,10,6,7}, R: { 2,3,-1,9,4,5}

10.

Find the domain of the given function

f(x ) = (4 - x)/ (x-9)

(Points :5)

{ x/ x ia a real #, x is not equal to 9}

{x/ x is a real #}

{ x/ x is a real #, and not equal to 4, and 9}

{x/ x is not real #}

11.

Find the slope(m) and y-intercept(b) of y = (15/7)x + (16/3)

(Points :5)

m = 15/7, b= -16/3

m = 15/7, b = 16/3

m = -7/15, b = 16/3

m =-7/15, b = -3/16

12.

Determine whether the graphs of the given pairs of line are parallel, perpendicular or neither.

3y - x = 2

y + 3x =4

(Points :5)

parallel

Perpendicular

neither

None of these

13.

Determine whether the graphs of the given pairs of line are parallel, perpendicular or neither.

3y - 2x = 2

3y = 2x + 4

(Points :5)

Perpendicular

Parallel

neither

None of these

14.

Find the equation of line having given slope and containing the given point

m = 5, point ( -2, -4)

Write an equation of the line containing the given point and parallel to the given line

( -7, 0) ; 2y + 5x = 6

Solve the system of linear equation by the substitution method

2y + x = 9

x = 3 y - 3

solve by elemination method:

2y + 3x = 9

2y +3x = -12

Relevance
• Anonymous

your stuck!? apparently you cant do anything, but yea you should post one question of each that are similar, for the problem near the bottom,

2y+x=9 you would just plug in x for that equation then combine like terms

for the last one you can elimate the three to solve for it, then divide by 2

you probably should look up youtube videos for lessons help and examples

• sahna
Lv 4
3 years ago

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