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What's on the worksheet
- Find the vertex of each parabola and say if it is highest or lowest.y = x^2 - 2x - 5y = -x^2 - 10x + 3y = 3x^2 + 18x + 20y = 6x - x^2y = -2x^2 + 2x + 1
- Find Priya's mistake with the axis of symmetry and correct it.
- Find the vertex of each parabola in factored form without multiplying out.
- Find every value of b that gives a least value of 0, with each vertex.
- Find the vertex in terms of m for a family of parabolas.
- Test Ryan's claim about two parabolas having the same axis.
- Hannah's beaker: use the temperature model to find the highest temperature and when.
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The free lesson teaches it with worked examples and practice problems.
The vertex and the axis of symmetry: the lesson ›More Chapter 9 worksheets: Quadratic functions and their graphs
- 9.1What makes an expression quadratic
- 9.2The shape of a parabola
- 9.3The vertex and the axis of symmetry
- 9.4Graphing from standard form
- 9.5Roots, zeros and x-intercepts
- 9.6Intercepts and zeros of a function
- 9.7Increasing, decreasing, constant, positive and negative intervals
- 9.8Turning points, maximums and minimums
- 9.9Maximum, minimum and range of a quadratic function
- 9.10Quadratic functions in context