Mathematics
Quadratic expressions
Practice questions
Which of the following quadratic expressions can be written as the square of a binomial?Which of the following quadratic expressions is a perfect-square trinomial?Which is the product of ((x+3)(x+5))?What will be the expanded form of ((p-2)(p+7))?Which of the following quadratic trinomials is not a perfect-square trinomial?Which of the following quadratic expressions can be written as the product of two conjugate linear factors?Which of the following is a quadratic expression in one variable?What is the coefficient of (x) in (3x^2+2x-1)?Which of the following expressions is a quadratic expression?The length of a rectangle is
0x+5
0 cm and its breadth is
0x-2
0 cm. A student writes its area as
0x^2+3
0 sq cm. Which statement about the student's error is correct?If \(a,b,c\) are real numbers, which condition is necessary for \(ax^2+bx+c\) to be a quadratic expression?Which of the following is a quadratic expression in x?Which condition on \(a\) is necessary for the expression \(ax^2+bx+c\) to be a quadratic expression in \(x\)?A student writes \((2x-5)^2\) as \(4x^2-25\). Which term has been omitted from the expansion?For which (m) will (x^2+mx+49) be a perfect square trinomial?Which of the following expressions is a difference of squares of two binomials?Which of the following quadratic expressions is the product of two identical linear factors?Which of the following expressions can be factorised as a difference of squares of two binomials?If the factors of a quadratic expression are two identical linear factors, what is the position of its graph with respect to the x-axis?What is the minimum value of (x^2+6x+9)?