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
Answer:
+10 units
Step-by-step explanation:
Answer:
b.2.3
Step-by-step explanation:
f(x)= 2x^3 - 4x^2 - 3
see graph below
only x intercept is 2.287
Answer:
9 + p ≤ 27; p ≤ 18
Step-by-step explanation:
"At or below" means "less than or equal to." Only one answer choice incorporatest that symbol into the inequality expression — the one shown above.
Answer:
-1/2
Step-by-step explanation: