Answer:
A. x = 9
D. x = 0
Step-by-step explanation:
The formula to solve a quadratic equation of the form
is equal to
in this problem we have
so
substitute in the formula
therefore
The solutions are x=0 and x=9
Im thinking 10 because 10+40=50 and 10x7=70
Slope formula:
M= y2-y1
———
X2-x1
Answer:
In this question there is a change of two things
- time
- temperature