1 Move all terms to one side.
{x}^{2}+15x+45=0
x
2
+15x+45=0
2 Use the Quadratic Formula.
x=\frac{-15+3\sqrt{5}}{2},\frac{-15-3\sqrt{5}}{2}
x=
2
−15+3
5
,
2
−15−3
5
3 Simplify solutions.
x=-\frac{3(5-\sqrt{5})}{2},-\frac{3(5+\sqrt{5})}{2}
x=−
2
3(5−
5
)
,−
2
3(5+
5
)
Answer:
Q1: 3
Q2: reflected (a)
Q3: a
Q4: false
Q5: 90°(b)
Step-by-step
srry if it's wrong cuz I dont remember some of these but I tried
Answer:
Step-by-step explanation:
horizontal distance = cos(28)*120
