Solve Equations and Inequalities Quadratic
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A statement that one mathematical expression is greater than, greater than or equal to, less than or less than or equal is called (a) .
Tags
CCSS.6.EE.B.8
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following is an example of quadratic inequality?
2x² + 3x + 4 > 0
15x ≤ 10
x² - x +15 < -30
x² + 4x - 5 = 0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the first step in solving quadratic inequality?
Shade the interval on the number line that represents the solution of the quadratic inequality
Plot the roots in a number line.
Change the inequality symbol to equality symbol.
Solve for the roots of the quadratic equation by factoring.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the correct interval of x2 + 2x -24 > 0
x > -6
x > 4
x < 4
4 < x < -6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the solution of the given Quadratic Inequality?
5 < y < 12
7 < y < 10
8 < y < 9
6 < y < 11
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve:
2x2 + 5x ≥ 12
[-4, 1.5]
(-oo, -4) U (1.5, oo)
(-oo, -4] U [1.5, oo)
no solution
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is the solution of the given Quadratic Inequality?
b ≥ -2 or b ≤ -1
b ≤ -2 or b ≥ -1
b ≥ 2 or b ≤ 1
b ≤ 2 or b ≥ 1
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