Adaptive Practice
Quadratic Expressions
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Question 1 of 10
⏱ 0:30
Easy
What is the coefficient of \(x^2\) in the quadratic expression \(5x^2 - 3x + 7\)?
Easy
Which of the following is a quadratic expression?
Medium
Factorize the quadratic expression \(x^2 + 7x + 12\).
Easy
If \(ax^2 + bx + c = 0\) is a quadratic equation, which condition must be true for it to be quadratic?
Easy
Expand and simplify: \((x + 5)(x - 3)\).
Medium
What is the value of the discriminant \(b^2 - 4ac\) for the quadratic expression \(2x^2 - 4x + 1\)?
Medium
Find the roots of the quadratic equation \(x^2 - 6x + 9 = 0\).
Easy
Which quadratic expression represents the area of a square whose side is \(x + 7\)?
Medium
If \(x^2 + px + q = 0\) has roots \(3\) and \(5\), find \(p\) and \(q\).
Hard
Simplify the expression \((2x - 3)^2 - (x + 1)(x - 1)\).