Hack
for y=ax^2+bx+c
the xvalue of the vertex is -b/2a
and the y value is found by subsituting that for x
so
-b/2a
h(t)=2x^2+4x+7
a=2
b=4
-b/2a=-4/(2*2)=-4/4=-1
the y value
h(-1)=2(-1)^2+4(-1)+7
h(-1)=2(1)-4+7
h(1)=2+3
h(1)=5
(-1,5) is da vertex
B. y=4/5x its just taking half
Answer:
480 minutes would be the answer
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
add all the data pieces together which equals to 9.6
divide by the number of data pieces: 6
9.6/6= 1.6
Answer:
2½
Step-by-step explanation:
33÷15 you got this don't give up