9x² + bx + 64
\/(9x²) = 3x
\/84 = 8
2*3x*8 = 48x
b = 48
Answer:
Answer:
2nd graph (in the attached pics)
Step-by-step explanation:
Graphically, the x-intercepts of the graph of a quadratic function are its zeroes.
There can be
no zeroes (where graph doesn't cut the x-axis at all),
1 zero (where graph touches the x-axis at one point only), and
2 zeros (where the graph cuts the x-axis at 2 points)
Looking at the figures, the 2nd graph has no real zeroes, because the graph doesn't cut the x-axis at all!
So, the answer is the second graph.
Step-by-step explanation:
