Question
(a) This part of the question concerns the quadratic equation 4x 2 + 28x 49 = 0. (i) Find the discriminant of the quadratic expression
(a) This part of the question concerns the quadratic equation 4x 2 + 28x 49 = 0.
(i) Find the discriminant of the quadratic expression 4x 2 + 28x 49.
(ii) What does this tell you about the number of solutions of the equation? Explain your answer briefly.
(iii) What does this tell you about the graph of y = 4x 2 + 28x 49?
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A Tour Through Graph Theory
Authors: Karin R Saoub
1st Edition
1138197815, 9781138197817
