Answer:
7.4
1. Do the parentheses first
2. Then do multiplication/division
3. Then do subtraction/addition
Answer: Sum (b) = -4
Product (c) = 4
<u>Step-by-step explanation:</u>
In the quadratic equation ax² + bx + c
- b represents the sum of the roots
- c represents the product of the roots
2x² - 8x + 8 = 0
2(x² - 4x + 4 = 0)
↓ ↓
b= -4 c= 4
Answer:
x= 13
Step-by-step explanation:
If <a=90 or <b=90 or < c=90 the triangle is right
if one of the angles is > 90 the triangle is obtuse
if all the angles are < 90 the triangle is acute
