Question

For which value of m does the graph of y = 18x2 + mx + 2 have exactly one x-intercept?

Answer 1

Answer: c on endge

Step-by-step explanation:

Answer 2

Y = 18 x² + m x + 2
Exactly one x - intercept is for:
D = m² - 4 · 18 · 2 = 0
m² - 144 = 0
m² = 144
Answer:
m = -12 or m = 12