  Quiz by LONEVIE SUNIO

Mathematics

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M9AL-Ia-1

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Correct quiz answers unlock more play!  10 questions
• Q1

What do you call a polynomial equation of degree two that can be written in the form ax2 + bx + c = 0, where a, b, and care real numbers and a ≠ 0?

Linear Inequality

Linear Equation

120s
M9AL-Ia-1
• Q2

Which of the following is a quadratic equation?

4x (3x2 – 9)

3t -5 =2

2x2 + 4x – 2 = 0

y + 2

120s
M9AL-Ia-1
• Q3

In the quadratic equation 3x2 + 7x – 4 =0, which is the quadratic term?

– 4

0

7x

3x2

120s
• Q4

The roots of a quadratic equation are - 5 and 3.Which of the following quadratic equations has these roots?

x2 + 2x – 15 = 0

x2 – 8x + 15 = 0

x2 + 8x + 15 = 0

x2 – 2x – 15 = 0

120s
• Q5

How many real roots does quadratic equation x2+ 5x + 7 = 0 have?

0

3

2

1

120s
• Q6

What is the sum of the roots of the quadraticequation x2 + 6x – 27 = 0?

– 3

– 7

– 6

14

120s
• Q7

What are the roots of the quadratic equation x2+ x – 56 = 0?

-8 and 7

8 and -7

3 and  - 2

2 and -1

120s
• Q8

One of the roots of 2x2 – 13x + 20 =0 is 4. What is the other root?

-5/2

5/2

2/5

-2/5

120s
• Q9

What is the standard form of the quadratic equation(2x + 7) (x -1) = 0?

2x2 – 5x – 7 = 0

2x2 + 5x + 7= 0

-2x2 + 5x – 7 = 0

2x2 + 5x – 7 = 0

120s
• Q10

Which of the following quadratic equations can besolved easily by extracting square roots?

v2 – 3v – 10 = 0

6x2 – 9x + 12 = 0

4m2 – 64 = 0

5n2 + 7n – 51

120s

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