1) Let f(x) = 8x – 2x2. Find the x-intercepts 2) Let f(x) = 8x – 2x2. Write down the equation of the axis of symmetry. 3) Write down the value of q and of r. 4) Write down the equation of the axis of symmetry. 5) Find the value of p. 6) Let f (x) = 3(x + 1)2 – 12. Write down the coordinates of the vertex. 7) Let f (x) = 3(x + 1)2 – 12. Write down the equation of the axis of symmetry. 8) Let f (x) = 3x2 + 6x – 9. Write down the y-intercept 9) Let f (x) = 3x2 + 6x – 9. find both x-intercepts 10) Let f(x) = 2x2 + 4x – 6. Express f(x) in the form f(x) = 2(x – h)2 + k. 11) Let f(x) = 2x2 + 4x – 6. Write down the equation of the axis of symmetry of the graph of f. 12) Let f(x) = 2x2 + 4x – 6. Express f(x) in the form f(x) = 2(x – p)(x – q). 13) The quadratic function f is defined by f(x) = 3x2 – 12x + 11. Write f in the form f(x) = 3(x – h)2 – k 14) Let f (x) = 2x2 – 12x + 5. Express f(x) in the form f(x) = 2(x – h)2 – k. 15) Let f (x) = 2x2 – 12x + 5. Write down the vertex of the graph of f. 16) Let f (x) = 2x2 – 12x + 5. Write down the equation of the axis of symmetry of the graph of f. 17) Let f (x) = 2x2 – 12x + 5. Find the y-intercept of the graph of f. 18) Write down the value of p and of q 19) Write down the equation of the axis of symmetry of the curve 20) Let f (x) = a (x − 4)2 + 8. Write down the coordinates of the vertex of the curve of f. 21) Let f (x) = a (x − 4)2 + 8. Given that f (7) = −10, find the value of a. 22) Write down the value of m and p. 23) Write down the value of p and of q. 24) Find the coordinates of C.  25) Write down the y-coordinate of B.

All about Quadratics

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