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Shaga Setayesh
Quiz by , created more than 1 year ago

This quiz is over solving quadratic equations and finding zeros of a quadratic function using the quadratic formula.

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Shaga Setayesh
Created by Shaga Setayesh about 10 years ago
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2 comments

over 8 years ago
I dont understand it
over 9 years ago
for the question where you have to find the zeros, you mean the crossing points of the x-axis or to solve the quadratic. If so then that makes the brackets (2x+1(x-3). Therefore, the points of contact would be -0.5 and 3. If not then can you explain why, please?
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Solving Quadratic Equations

Question 1 of 4 Question 1 of 4

1

What are the zero(s) of this quadratic function?

Select one of the following:

  • x= 3/2 and x=1

  • x=9/4 and x=1/4

  • x=-3/2 and x=-1

  • No solution

Explanation

Question 2 of 4 Question 2 of 4

1

At what point(s) does his quadratic function intersect the x-axis?

Select one of the following:

  • x=1.5 and x=-4.5

  • x=2 and x=-7

  • x=1.5

  • It does not intersect the x-axis.

Explanation

Question 3 of 4 Question 3 of 4

1

What are the x-intercepts of this quadratic function?

Select one of the following:

  • x=1 and x=-5/4

  • x=-1 and x=5/4

  • x=9/8

  • No x-intercepts

Explanation

Question 4 of 4 Question 4 of 4

1

We are going to fence in a rectangular field with an enclosed area of 75 square feet. The length of the filed is 3 feet longer than its width. What are the dimensions of the field to the nearest tenth?

Select one of the following:

  • length: 11.2 feet
    width: 8.2 feet

  • length: 14.5 feet
    width: 11.5 feet

  • length: 10.3 feet
    width: 7.3 feet

  • length: 9.7 feet
    width: 8.1 feet

Explanation