Well, a y-intercept is a the point on a graph where the x value equals 0, because the point sits exactly on the y-axis. In this case, the y-intercept would be (0, -9).
Answer:
x^2 +18x +80
= x^2 + 10x + 8x +80
= x(x+10) + 8(x+10)
= (x+10)(x+8)
Hope this help!
Good luck!
18
Step-by-step explanation:
i just took the test and got a 100% :)
3√2 is the answer as:
sin45°=p/b
1/√2= AC/CB
1/√2= 3/CB
cross multiplication
CB = 3√2