(0,4)
The y intercept is the point that is on the line that is going up and down, the y axis, the x axis goes from left to right.
Remember the axis's by this, y is long and tall, so its axis would be going up and down, x is shorter, so its axis would be going left to right
Answer:
19
Step-by-step explanation:
just use calculator. I don't really know
Answer:
(x + 5)(x + 4)
Step-by-step explanation:

Answer:
a =
and b =
Step-by-step explanation:
As we know, the radius of the unit circle is 1 unit (it is the hypotenuse in the right triangle, the blue line)
We use trigonometric formulas to find out a and b
- Sin(45) = opposite side / hypotenuse
<=> Sin(45) = b / 1
<=> b= Sin(45)*1 =
- Cos(45) = adjacent side / hypotenuse
<=> Cos(45) = a / 1
<=> a = Cos(45)*1 = 
So: a =
and b =