So hmmm check the graph below
now.. to find the vertex of any quadratic

so... how long did it take? well, it took

what was the highest point? well, it was

when did he hit the water? well, at y = 0
that is

solve for "t"
4) Part A draw half of a trapezoid
Part B say that they are four sided shapes with a nintey degree angle
5: answers in this order: line, line segment, ray, point
Answer: step by step explanation
it's just that you have to multiply the number under root and it's any number is square then you can take it out of root.
Answer:
y= -4x+4
Step-by-step explanation:
y=mx+b
where x=-1, y=8, and m=-4
8=(-4)(-1)+b
8=4+b
4=b
Thus, y= -4x+4