Quadratic Equations
New Zealand
Level 6 - NCEA Level 1
Find the vertex and intercepts
Interactive practice questions
A parabola is described by the following equation:
$y=x^2+4x$y=x2+4x
a
Find the $x$x values of the $x$x-intercepts of this parabola. Write both answers on the same line separated by a comma.
b
Find the $y$y value of the $y$y-intercept for this parabola.
c
What is the equation of the axis of symmetry for this parabola.
d
Find the coordinates of the vertex for this parabola.
Vertex $=$= $\left(\editable{},\editable{}\right)$(,)
e
Plot the graph for the parabola.
Loading Graph...
Easy
5min
Consider the quadratic function $y=x^2+2x-8$y=x2+2x−8.
Easy
4min
Consider the quadratic function $y=-2x^2+16x-24$y=−2x2+16x−24.
Easy
5min
The equation $y=x^2+2x-3$y=x2+2x−3 represents a parabola.
Easy
6min
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