He made a mistake in step #2. It seemed to be a trivial mistake because it involved signs, but it still had a great impact. Since step#2, his solution was already wrong.
Instead of
(-1)²-4(2)(-6) = 1 + 48 = 49
What he did is
(-1)²-4(2)(-6) = -1 + 48 = 47
Answer:
20= v+9+( -16 )
20= v-( 7 )
27= v
Step-by-step explanation:
Adding a negative is the sane as subtracting. Add like terms. Add 7 to both sides. 27= v
The graph is shown in the attached image.
The expression is Undefined for x=0, assuming you intend 1/(-8x).
x=0 is "nonpermissible"
Answer:
14
Step-by-step explanation:
3 diangonalss joined togeheter is call a symertry
