Answer:
Step-by-step explanation:
X=7 because if an angle is bisected it is divided into two equal part so both sides must equal twenty five so you replace seven for X and you have 5(7)-10 you do the math five times seven equals thirty five minus ten is twenty five.
1. Solve by differentiation (Derivative = 0 at the vertex)
dy/dx= 2x-4
0=2x-4
0=2(x-2)
x=2
when x=2 y=-5
therefore vertex (2,-5)
By looking at the graph, we can tell that the slope is rise / run = 2 / -2 = -1
Slope = -1
We can also see that the y intercept is -1 or in point form (0,-1) Look at the line, it crosses the y axis between 0 and -2 at -1.
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