Mathematics

Quadratic Functions

Grade 10 · High School

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Question 1 of 20Easy
Given $f (x) = x^{2} + 2 x - 3$ , the value of $f (1)$ is ...
Question 2 of 20Easy
Given $f (x) = x^{2}$ , the value of $f (- 3)$ is ...
Question 3 of 20Easy
Given $f (x) = 2 x^{2} - 5$ , the value of $f (0)$ is ...
Question 4 of 20Easy
The roots of $x^{2} - 4 = 0$ are ...
Question 5 of 20Easy
The axis of symmetry of $f (x) = x^{2} - 6 x + 5$ is ...
Question 6 of 20Easy
The vertex of the graph of $y = x^{2}$ is ...
Question 7 of 20Medium
The roots of $x^{2} - 5 x + 6 = 0$ are ...
Question 8 of 20Medium
The vertex of the graph of $f (x) = x^{2} - 4 x + 3$ is ...
Question 9 of 20Medium
The discriminant of $x^{2} - 6 x + 9 = 0$ is ...
Question 10 of 20Medium
The graph of $f (x) = x^{2} + 3 x - 10$ intersects the Y-axis at ...
Question 11 of 20Medium
The maximum value of $f (x) = - x^{2} + 4 x$ is ...
Question 12 of 20Medium
The graph of $f (x) = - 2 x^{2} + 3 x - 1$ opens ...
Question 13 of 20Medium
If $x_{1}$ and $x_{2}$ are the roots of $x^{2} - 7 x + 12 = 0$ , the value of $x_{1} + x_{2}$ is ...
Question 14 of 20Medium
The minimum value of $f (x) = x^{2} - 2 x + 5$ is ...
Question 15 of 20Hard
The graph of $f (x) = x^{2} - 4 x - 5$ intersects the X-axis at ...
Question 16 of 20Hard
The equation $x^{2} + k x + 9 = 0$ has a repeated root. A possible value of $k$ is ...
Question 17 of 20Hard
The form $f (x) = x^{2} - 6 x + 10$ can be written as $(x - 3)^{2} + c$ . The value of $c$ is ...
Question 18 of 20Hard
The perimeter of a rectangle is $20 cm$ and its area is $24 cm^{2}$ . Its side lengths are ...
Question 19 of 20Hard
The maximum value of $f (x) = - x^{2} + 6 x - 5$ is ...
Question 20 of 20Hard
The graph of $f (x) = x^{2} + 2 x + c$ is tangent to the X-axis. The value of $c$ is ...

0/20 answered