Mathematics
Quadratic expressions
Practice questions
Which of the following quadratic expressions can be written as a product of two linear binomials with integer coefficients?For every real value of \(a\), which of the following expressions will always be a quadratic polynomial in \(x\)?What is the difference between ((x+2)(x+8)) and ((x+5)^2)?The factors of (x^2+bx+24) are ((x+4)(x+6)). What is the value of (b)?Which of the following quadratic expressions can be identified as the perfect square of a binomial?What is the difference between the constant terms of (x^2-25) and ((x-5)^2)?Which of the following expressions is a perfect-square quadratic expression in \(x\) for every real number \(a\)?Which of the following quadratic expressions is the expansion of a perfect square of a binomial?Which of the following quadratic expressions can be written as the perfect square of a binomial?If (x=3), what is the value of ((x-4)^2+(x+4)^2)?Which of the following quadratic expressions remains strictly positive for every real value of \(x\)?In which expression is the coefficient of (x^2) negative?Which of the following expressions can be factorised into two linear factors?What is the sum of the values of (x^2-2x+1) at (x=0) and (x=2)?When (x^2+2x+5) is written in the form ((x+a)^2+b), what is (a+b)?If (x^2+px+36) is a perfect square and (p) is negative, what will be the value of (p)?What is the simplified form of ((2x+5)^2-(2x-5)^2)?What will be the coefficient of (x) in the difference of (3x^2+2x-5) and (x^2-4x+7)?If (x+\frac{2}{x}=6), what is the value of (x^2+\frac{4}{x^2})?Which relation is correct between ((x-1)(x-9)) and ((x-5)^2)?