Given the vertex (-1, 6) and a point (2, -2), answer the next two questions
1 point
1
Question 14
14.
Find the 'a' value of this parabola.
4 points
4
Question 15
15.
Write the equation of the parabola in vertex (graphing) form.
Given the vertex (4, -3) and a point (-1, -1), answer the next two questions
1 point
1
Question 16
16.
Find the 'a' value of this parabola.
1 point
1
Question 17
17.
Write the equation of the parabola in vertex (graphing) form.
Review Lesson 4-2
1 point
1
Question 18
18.
Write this function in standard form:
1 point
1
Question 19
19.
Write this function in standard form:
1 point
1
Question 20
20.
What is the vertex of this parabola? (without your graphing calculator)
1 point
1
Question 21
21.
What is the vertex of this parabola? (without your graphing calculator, in fraction form)
1 point
1
Question 22
22.
Write this function in vertex (graphing) form: (without your graphing calculator)
1 point
1
Question 23
23.
Write this function in vertex (graphing) form: (without your graphing calculator)
1 point
1
Question 24
24.
What is the axis of symmetry of this parabola?
1 point
1
Question 25
25.
What is the axis of symmetry of this parabola?
A cannon shoots out a cannon ball. The path of the cannon ball is modeled by the equation, h = -t2 + 8t + 9 ,
where h is the height in feet and t is the time in seconds. Use this information to answer the following questions.
1 point
1
Question 26
26.
What part of the parabola are you looking for if you are looking for how long it will take cannon ball one to reach it’s maximum height (a, h, k, x, y)? _______
How long does it take for it to reach it’s maximum height? _______
1 point
1
Question 27
27.
What part of the parabola are you looking for if you want to find cannon ball’s maximum height (a, h, k, x, y)? _______
Find it’s maximum height. _______
1 point
1
Question 28
28.
What are you looking for if you want to know when the cannon ball will land? _______
What do parabola's have that make it possible to find this value? _______
How long will it take the cannon ball to land? _______
2 points
2
Question 29
29.
This little boy kicked a soccer ball that followed path modeled by this function. How far did he kick the ball (in feet)?
1 point
1
Question 30
30.
How high did the little boy kick the ball?
1 point
1
Question 31
31.
Dante and Armando are playing hackey sack. Dante kicks the sack toward Armando and it leaves his foot following the path modeled by this function: (where y is the height in feet and the x is the horizonal distance traveled in feet)
How high does the hackey sack go (to the nearest foot)?
1 point
1
Question 32
32.
If Armando and Dante are standing 7 feet apart, will Armando be able to return this kick without stepping toward Dante?
1 point
1
Question 33
33.
How far away from Dante will the hackey sack land (to the nearest foot)?
