Answer:
(
4
,
−
1
)
Step-by-step explanation:
y= (x + 3)(x + 5)
y= x^2 + 5x + 3x + 15
y= x^2 + 8x +15
Answer:

h=
Step-by-step explanation:
Please see the attached image. It is a good idea it to memorize these triangle properties because you will definitely use them in the future.
c=
h=
6x6,
12x3,
30+6,
72÷2,
9x4,
40-4,
78-42,
12+24,
5+31,
(10x3)+6,
56-20,
21+15,
47-11,
2x18,
1x36,
96-(30x2),
(8x2)×(2x10),
(112÷2)-20,
(56÷4)+(11x2),
17+19,
(5x6)+6,
(7x5)+1,
92-56,
(3x3)+(3x9),
36+0,
(3x2)x6,
(11x3)+3
Hope this helps :)
Remove the radical by raising each side to the index of the radical. a = √ 3 , − √ 3 a=3,-3 a ≈ 1.73205080 , − 1.73205080