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Non-linear equations (one variable)

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Mathematics

9th - 12th Grade

Non-linear equations (one variable)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1 The discriminant is

aX2 + bX + c

b - 4ac

b2 - 4ac

b2 + 4ac

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

If the discriminant is negative, then the quadratic has:

1 Real Solution

2 Real Solutions

2 Imaginary Solutions

No Real Solutions

3.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Find the discriminant, then state whether the roots are rational, irrational or imaginary: 6x2 - 7x - 3 = 0

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If the discriminant equals 0, then the quadratic has:

1 Rational Solution

2 Rational Solutions

No solutions

2 Complex Solutions

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Use the discriminant to determine the number of real solutions:  10x27x+8=0-10x^2-7x+8=0  

0

2

Wait there are imaginary answers now.........

I got to go cry alone in my room now......Math is hard.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many solutions?

-2x2 - x - 1 = 0

2 real

2 non-real

1 real

all real numbers

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

76

Two Real Solutions

-7

Two Imaginary Solutions

9

Two Real Solutions

0

One Real Solution

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