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laila [671]
2 years ago
15

What is the equation of the line in slope-intercept form?

Mathematics
1 answer:
WINSTONCH [101]2 years ago
7 0

Answer:

y = 5x -1

............

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Four gallons of gasoline cost $16.80. What is the price per gallon (also known as the slope of the line)?
il63 [147K]

$16.80 / 4 gallons = $4.20 per gallon

5 0
3 years ago
Please help Need help
Anettt [7]
This problem can be readily solved if we are familiar with the point-slope form of straight lines:
y-y0=m(x-x0) ...................................(1)
where 
m=slope of line
(x0,y0) is a point through which the line passes.

We know that the line passes through A(3,-6), B(1,2)

All options have a slope of -4, so that should not be a problem.  In fact, if we check the slope=(yb-ya)/(xb-xa), we do find that the slope m=-4.

So we can check which line passes through which point:

a. y+6=-4(x-3)
Rearrange to the form of equation (1) above,
y-(-6)=-4(x-3)  means that line passes through A(3,-6) => ok

b. y-1=-4(x-2) means line passes through (2,1), which is neither A nor B
   ****** this equation is not the line passing through A & B *****

c. y=-4x+6  subtract 2 from both sides (to make the y-coordinate 2)
   y-2 = -4x+4, rearrange
   y-2 = -4(x-1)  
   which means that it passes through B(1,2), so ok

d. y-2=-4(x-1)
   this is the same as the previous equation, so it passes through B(1,2), 
   this equation is ok.

Answer: the equation y-1=-4(x-2) does NOT pass through both A and B.
   
8 0
2 years ago
Evaluate 4p+q/p when p= -2 and q= -3 <br><br>a) -11/2<br>b) 9/2 <br>c) -9/2<br>d) 11/2​
nadya68 [22]

Answer:

D

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
⅒ (to decimal)<br><br>A. 0.1<br>B. 0.53<br>C. 0.10​
nydimaria [60]
⅒ (to decimal)

A. 0.1
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Enter an expression into each box to create a true equation 30x + __=6(__+7)​
slava [35]

30x + 42 = 6(5x + 7) you can understand it now

3 0
2 years ago
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