What is the value of 'c'?
-3
Convert x2 + 8x + 9 = 0 to vertex form.
(x + 4)2 - 7
What's the effect of changing whether 'a' is positive or negative?
Maximum and minimum turning point.
What is the quadratic formula?
x = -b plus minus root b2 - 4ac over 2a
What would the value of 'a' be if its rise/run was -9/3?
-3
Convert 2(x - 3)2 + 4 to a quadratic equation.
2x2 - 12x + 14 = 0
What's the effect of changing 'c'?
Y-intercept and shifts parabola vertically.
How much does Mr Laverty bench?
165 kg
What is the value of 'a'
2
Convert (x + 3)2 - 1 = 0 into a quadratic equation and then factorise.
(x + 4)(x + 2)
What's the effect of changing 'a'?
Narrower or wider parabola.
How much did the Pikachu Illistrator card sell for?
23.3 million (AUD)
or
16.5 million (USD)
What is the value of 'a'?
5
Convert -2(x - 5)(3x + 7) to vertex form
-6x2 + 16x + 70 = 0
What's the effect of changing 'b'?
Shifts parabola both vertically and horizontally.
What is the square root of negative 9?
3i
What is the value of 'b'?
6
Convert 3x2 + 5x + 7 = 0 to vertex form.
3(x + 5/6)2 + 59/12 = 0
What's the effect of negative or fractional exponents?
Creates asymetric curves and breaks the polynomial system.
What is the mass of the sun?
About 2 nonillion kg (1.989 x 1030)