Year 10 Interactive Maths - Second Edition

Sketching Parabolic Graphs

• turning point
• axis of symmetry
• x-intercepts
• y-intercept

Example 12

Solution:

x-intercepts:

y-intercept:

Note:

The minimum value of y is – 4.

Example 13

Solution:

x-intercepts:

y-intercept:

Note:

The minimum value of y is – 4.

Example 14

Solution:

x-intercepts:

y-intercept:

Note:

The maximum value of y is 1.

Key Terms

turning point, axis of symmetry, x-intercept, y-intercept

Study Another Topic in Chapter 13: Quadratic Graphs

[ Quadratic Functions ] [ Graphs of y = ax² + c, a > 0 ] [ Graphs of y = a(x - b)², a > 0 ] [ Graphs of y = a(x - b)² + c, a > 0 ] [ Quadratic Graphs by Transformations ] [ Translation ] [ Sketching Parabolic Graphs ] [ Problem Solving I ] [ Quadratic Inequalities ] [ Simultaneous Equations - Linear/Quadratic ] [ Problem Solving II ] [ Sketching Quadratic Inequalities ] [ Intersection of Half-Planes ] [ Problem Solving Unit ] [ Projects ] [ Symbols ] [ Index ]