You have 1 attempt for this summative quiz. Questions with a "show your work" option MUST have work shown to receive credit. Student work must be reflective of solving methods that were taught in our IM 3 class. Please double check all of your work before hitting Submit.
3 points
3
Question 1
1.
Click the blue Show Your Work button to start working.
A parabola has an x-intercept at (-5,0) and a vertex at (-1,7). What are the coordinates of the other x-intercept?
Make sure to type your answer in coordinate form using no spaces. Show your work by sketching on the graph.
Click the blue check mark in the upper right corner to return to the other questions.
3 points
3
Question 2
2.
Factor the quadratic AND solve for the roots.
In the 'show your work' box, show your factoring work and write your factored form.
In the answer box, type the roots using the following format: (4,0) (3,0)
IF you have a fraction type it using a slash like this: (3/7,0)
Do not use decimals.Type a space between your pairs.
3 points
3
Question 3
3.
Factor the quadratic AND solve for the roots.
In the 'show your work' box, show your factoring work and write your factored form.
In the answer box, type the roots using the following format: (4,0) (3,0)
IF you have a fraction type it using a slash like this: (3/7,0)
Do not use decimals.Type a space between your pairs.
1 point
1
Question 4
4.
If the standard form of a Quadratic Function is:
does the parabola open up or down? Choose the best answer and explanation.
1 point
1
Question 5
5.
Describe the vertex of the parabola:
2 points
2
Question 6
6.
A parabola has x-intercepts at (-3,0) and (5,0). Write the equation for the axis of symmetry. Show how you found your answer by sketching on the graph.
Do not use spaces in your answer.
2 points
2
Question 7
7.
Multiply the binomials using FOIL, double distribution, or the box method. Show your work on the sketch pad.
3 points
3
Question 8
8.
Factor the quadratic AND solve for the roots.
In the 'show your work' box, show your factoring work and write your factored form.
In the answer box, type the roots using the following format: (4,0) (3,0)
IF you have a fraction type it using a slash like this: (3/7,0)
Do not use decimals.Type a space between your pairs.
3 points
3
Question 9
9.
Factor the quadratic AND solve for the roots.
In the 'show your work' box, show your factoring work and write your factored form.
In the answer box, type the roots using the following format: (4,0) (3,0)
IF you have a fraction type it using a slash like this: (3/7,0)
Do not use decimals.Type a space between your pairs.
3 points
3
Question 10
10.
Factor the quadratic AND solve for the roots.
In the 'show your work' box, show your factoring work and write your factored form.
In the answer box, type the roots using the following format: (4,0) (3,0)
IF you have a fraction type it using a slash like this: (3/7,0)
Do not use decimals.Type a space between your pairs.