Grade 9 Mathematics Quiz

What is 2x ( x - 6) = 10 in standard form of quadratic equation?

• I, II and III

• I, III and IV

• II, III and IV

• I, II, III and IV

What is the nature of the roots of a quadratic equation with discriminant of 169?

• Real, rational and equal

• Real, irrational and not equal

• Real, rational and not equal

• No real roots

Find the product of the roots of x (x + 4) = 0.

• -4

• 0

• 4

• 12

Which of the quadratic equations has equal roots?

The sum of a number and its reciprocal is 5/2. Find the number.

• 5

• 4

• 3

• 2

Which graph represents a quadratic function?

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Which of the following is a quadratic function?