Which point lies on the line described by the equation below?y + 8 = 4(x - 5)A.(-5, -8)B.(5, 0)C.(5, 8)D.(4, -8)E.(5, -8)F.(4, 5)
Question
Which point lies on the line described by the equation below?
y + 8 = 4(x - 5)
A. (-5, -8)
B. (5, 0)
C. (5, 8)
D. (4, -8)
E. (5, -8)
F. (4, 5)
Solution
To find out which point lies on the line described by the equation, we need to substitute the x and y values of each point into the equation and see if the equation holds true.
The equation is y + 8 = 4(x - 5)
Let's start with option A.(-5, -8)
Substitute x = -5 and y = -8 into the equation:
-8 + 8 = 4(-5 - 5)
0 = 4(-10)
0 = -40
This is not true, so point A does not lie on the line.
Next, let's try option B.(5, 0)
Substitute x = 5 and y = 0 into the equation:
0 + 8 = 4(5 - 5)
8 = 4(0)
8 = 0
This is not true, so point B does not lie on the line.
Next, let's try option C.(5, 8)
Substitute x = 5 and y = 8 into the equation:
8 + 8 = 4(5 - 5)
16 = 4(0)
16 = 0
This is not true, so point C does not lie on the line.
Next, let's try option D.(4, -8)
Substitute x = 4 and y = -8 into the equation:
-8 + 8 = 4(4 - 5)
0 = 4(-1)
0 = -4
This is not true, so point D does not lie on the line.
Next, let's try option E.(5, -8)
Substitute x = 5 and y = -8 into the equation:
-8 + 8 = 4(5 - 5)
0 = 4(0)
0 = 0
This is true, so point E lies on the line.
Finally, let's try option F.(4, 5)
Substitute x = 4 and y = 5 into the equation:
5 + 8 = 4(4 - 5)
13 = 4(-1)
13 = -4
This is not true, so point F does not lie on the line.
So, the only point that lies on the line described by the equation y + 8 = 4(x - 5) is point E.(5, -8).
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