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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 ... show more 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
3 answers 3