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levicorey846
06.07.2019 •
Mathematics
The graph of a quadratic function has a vertex ar (3,-6). one point of the graph is (7,10). what is another point on the graph?
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Ответ:
y + 6 = (x -3)^2
Step-by-step explanation:
Let's use the general form of the vertex equation of a quadratic: y - k = a(x - h)^2.
Subst. 10 for y, 7 for x, -6 for k and 3 for h. Then, 10 + 6 = a(7 - 3)^2, or
16 = a(4)^2, or 16 = a(16). Thus, a = 1, and the equation of this particular parabola is:
y + 6 = (x -3)^2
Ответ:
3( -2x + 4)
let's equal the given soln to 0
3(-2x+4) = 0
-6x + 12 = 0
-6x + 12 - 12 = 0-12
-6x = -12
we divide both sides by -6
-6x/-6 = -12/-6
x = 2
Step-by-step explanation:
hope that will help you.