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1.
What does a negative discriminate mean?
The parabola will curve down
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The parabola is a straight line
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The y-intercept is a negetvie
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The parabola does not have x-intercepts
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2.
What methods can you use to solve and or factorise quadratic equations?
3.
What causes the parabola to curve down?
x-intercepts are too close
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A positive constant in the first term (standard from), e.g x to the highest index
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A negative constant in the first term (standard from), e.g x to the highest index
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There are too many x-intercepts
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4.
What formula is used to find the horizontal axis of symmetry?
5.
How is the vertical axis of symmetry found?
It is the c term in a standard equation, ax^2+bx+c=0
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Substitution of the horizontal axis of symmetry in to the quadratic equation
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6.
What is the most simple way of factorising x^2-26x+169?
All are equal in steps and complexity
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7.
How is the y-intercept found?
Find the axis of symmetry and half it
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8.
What is a name for this expression
x^5-4x^4-8x^3+6x^2+12w-7?
9.
How do you find the intersection point of two parabolas?
Combining the equations
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Finding the average of the two axes
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Simultaneous Equations and Combining the equations
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10.
What is the formula completing the square is based off?