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CanadaON
Grade 11

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+2x8.

Easy
4min

Consider the quadratic function $y=-2x^2+16x-24$y=2x2+16x24.

Easy
5min

The equation $y=x^2+2x-3$y=x2+2x3 represents a parabola.

Easy
6min
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Outcomes

11M.A.2.6

Sketch graphs of g(x) = a(x – h)^2 + k by applying one or more transformations to the graph of f(x) = x^2

11M.A.2.10

Describe the information (e.g., maximum, intercepts) that can be obtained by inspecting the standard form f(x) = ax^2 + bx + c, the vertex form f(x) = a(x – h)^2 + k, and the factored form f(x) = a(x – r)(x – s) of a quadratic function

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