Answer:
The vertex is at (2,4)
Step-by-step explanation:
The parabola is given in the form
y = a(x-h)^2 +k
where (h,k) is the vertex
y=2(x-2)^2+4
The vertex is at (2,4)
Answer:
(a) Ginny made a mistake in step 1 when she identified b = 31. It should be b=–31.
Step-by-step explanation:
The value of b is the coefficient of x. In the given quadratic expression, the coefficient of x is -31, so Ginny should have started with b = -31 in step 1.
The is earth is 20 times larger than the land of Australia. 6 times 10^7 is 60,000,000 and 3 times 10^6 is 3,000,000 and when you divide that you get 20.
3(5)^5-2(5)+8
3(25)-10+8
75-10+8
65+8
73
The cost will be 9 for 1 pencial