We'll solve this equation in order to find the score of the 4th test, which we denote with x. 
. Solving it we find that x=63. And it is the final answer for this problem.
Find the difference of 5.00 - 0.38
2 answers:
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Answer:
2 real solutions
Step-by-step explanation:
y = -x^2 + 3x + 5
First find the the discriminant:
using b² - 4(a)(b)
(3)²- 4(-1)(5)
=9+20
=29
since the discriminant is more than 0, there are 2 real solutions
