11. Perpendicular to y-3=(x + 5) and passing through the point (4,8).
1 answer:
Answer:
Equation: y = x + 4.
Step-by-step explanation:
Let the equation will be y = mx + c, where m is the slope of the equation and c is the constant.
The perpendicular equations' slope's multiplication is -1.
Since the above equation needs to be perpendicular to the given equation, the slope of the equation, that is m = -1(As the slope of the given equation is 1).
It is given that, the equation passes through (4, 8).
.
Hence, the equation is y = x + 4.
It is slope intercept form.
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The y-intercept is the point where the graph crosses the y-axis. It is found by setting x=0. For your equation, that makes the x-term vanish and only the constant remains. The ordered pair is ...
(x, y) = (0, -9)
(x, y) = (0, -9)
Answer:
B) -3
Step-by-step explanation:
1. First you have to write the equation in slope intercept form. To do that, you must have y be alone on one side.
2. move the 3x to the right side with the 5 by subtracting 3x from both sides. Since 3x will cancel on the left, y will be left alone.
3. Now that you're in slope intercept form, you can find the slope easily. The slope will always be the number in front of x. In this case, the number in front of x is -3. Therefore, -3 is your slope!