Algebra
Practice Algebra MCQs from the Mathematics syllabus.
The roots of the equation 3x^2 - 5x + 2 = 0 are:
If α and β are roots of x^2 - 5x + 6 = 0, find α^2 + β^2.
Find the quadratic equation whose roots are -3 and 4.
The discriminant of the equation √3x^2 + 10x - 8√3 = 0 is:
If the sum of the roots of 3x^2 + (2k+1)x - (k+5) = 0 is equal to the product of roots, then k is:
The sum of a number and its square is 42. Find the number.
For what value of p does the equation px^2 - 4x + 3 = 0 have no real roots?
If α and β are roots of 2x^2 - 4x + 1 = 0, find the value of 1/α + 1/β.
If the roots of x^2 - px + q = 0 differ by 1, then:
The product of two consecutive even numbers is 168. Find the numbers.
Find k if one root of x^2 - 8x + k = 0 is 3 times the other.
If 4 is a root of x^2 - px + 12 = 0, what is the value of p?
If the roots of (k-1)x^2 - 10x + 3 = 0 are reciprocal, find k.
Which of the following has real and equal roots?
The area of a rectangular field is 60 sq m. If its length is 7m more than its width, find the width.
The sum of the roots of 0.2x^2 - 0.4x + 0.1 = 0 is: