Answer:
A. 2 real roots: (2, 7) and (1, 4).
Step-by-step explanation:
y = x^2 + 3
y = 3x + 1
So equating the right sides:
x^2 + 3 = 3x + 1
x^2 - 3x + 2 = 0
(x - 2)(x - 1) = 0
So there are 2 roots.
They are x = 2 , y = 3(2) + 1 = 7 and
x = 1, y = 3(1) +1 = 4.
Answer:
144
Step-by-step explanation:
Adult tickets comprised 1/3 of the total, so 432/3 = 144 tickets.
Answer:
y=2x-5
Step-by-step explanation:
The equation of a line is commonly written in slope-intercept form, or otherwise known as y=mx+b. Mx represents the slope and b represents the y-intercept.
Answerc:
Step-by-step explanation:
The answer for 15 is low pollution