Mathematics Round Test 1

The zeroes of the polynomial x² - 2x - 8 are:

• (-2, -2)

• (-4, -4)

• (4, -2)

• (2, -4)

What is the quadratic polynomial whose sum and the product of zeroes is √2 and ⅓ respectively?

• 3x² + 3√2x + 1

• 3x² - 3√2x + 1

• 3x² + 3√2x - 1

• None of the above

If p(x) is a polynomial of degree one and p(a) = 0, then a is said to be:

• Value of p(x)

• None of the above

• Zero of p(x)

• Constant of p(x)

A polynomial of degree n has:

• At least n zeroes

• At most n zeroes

• Only one zero

• More than n zeroes

The number of polynomials having zeroes as -2 and 5 is:

• 1

• 2

• 3

• More than 3

If the discriminant of a quadratic polynomial, D > 0, then the polynomial has:

• Two real and equal roots

• Two real and unequal roots

• Imaginary roots

• No roots

If the graph of a polynomial intersects the x-axis at three points, then it contains ____ zeroes.

• Two

• More than three

• Three

• Four

The pairs of equations x+2y-5 = 0 and -4x-8y+20=0 have:

• Unique solution

• Exactly two solutions

• Infinitely many solutions

• No solution

If a pair of linear equations is consistent, then the lines are:

• Parallel

• Always coincident

• Always intersecting

• Intersecting or coincident

If the lines 3x+2ky – 2 = 0 and 2x+5y+1 = 0 are parallel, then what is the value of k?

• 4/15

• 15/4

• 4/5

• 5/4