Mathematics
Quadratic expressions
Practice questions
Which expression is a quadratic monomial?Which expression is a quadratic binomial?Which expression is a quadratic trinomial?Where \(a,b,c\) are constants, which condition is necessary for \(ax^2+bx+c\) to be a quadratic expression in \(x\)?Why must \(a\) be non-zero in the quadratic expression \(ax^2+bx+c\)?Which condition is necessary for the expression \(ax^2+bx+c\) to be a quadratic polynomial in \(x\)?If the coefficient of \(x^2\) in a quadratic expression becomes zero, what type of polynomial does the expression become?If (x^2+bx+16) is a perfect square and (b) is positive, what is (b)?If (x^2+bx+25) is a perfect square and (b) is negative, what is (b)?How will you split the middle term in (2x^2+5x+2)?Which quadratic expression can be written as the product of two identical linear factors?Which of the following quadratic expressions can be factorised using the identityIf the quadratic expression \(x^2+px+q\) is a perfect square of a binomial, which relation between \(p\) and \(q\) must hold?Rima wrote
aaa(x+4)^2 as x^2+16. Which term is missing from her expansion?A student says that \((x+5)^2=x^2+25\) because both terms were squared separately. Which expression correctly fixes the error?What is the main difference between (x^2+6x+9) and (x^2+9)?If (9x^2+mx+25) is a perfect square and the middle term is positive, what is the value of (m)?Which expression is a quadratic expression in (x)?What is the coefficient of (x^2) in (5x^2-3x+9)?Which condition is necessary for the expression \(ax^2+bx+c\) in the variable x to be a quadratic expression?