Step-by-step explanation:
a=2
b=-7
c=-15
-(-7)+-sq root (-7)²-4(2)(-15) / 2(2)
7 +- sq root 169 / 4
7+- 13 / 4
7+13 / 4, 7-13 / 4
x=5 x=-3/2
1/3 - 2/9 - 1/3
= -2/9
(Decimal: -0.222222)
Answer: B
Step-by-step explanation: The line crosses the Y axis at 3
" 8 more "....means add 8
" twice a number " means multiply the number by 2
ur expression is : 2n + 8
Answer:
1. acute angle, 2.right angle, 3.obtuse angle
Step-by-step explanation:
