Answer:
see below
Step-by-step explanation:
y = x²-8x+ 15
Let x = -2
y = (-2)²-8(-2)+ 15
= 4 +16 +15
= 35
Let x = 1
y = (1)²-8(1)+ 15
1 -8+15
=8
The vertex is (4,-1)
x= -1
6-3x=5x-10x+4
6-3x=-5x+4
-4 -4
2-3x=-5x
+3x +3x
2=-2
2/-2=-2x/-2
-1=x
Hope this is correct
Have a good day!
7
Just divide 35 by 5=7
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