Use the discriminant to find all values of b for which the question has one real solution.
1 answer:
Use the formula 0 = b^2-4ac
0 = -b^2-4(2)(-9)
0 = -b^2+72
b^2 = 72
b = square root of 72
b = 2 real numbers
You might be interested in
Answer:
It took 2.5 (2 and a half) minutes to fill up one tire
Step-by-step explanation:
Hope this helps :)
Answer: 2 - 4x = 6
Please mark me as brainliest
Answer:
15.8 in.
Step-by-step explanation:
63.2 / 4 = 15.8
check the picture below.
recall that a full circle has 360°.
Your answer is 6 centimeters because you would have to subtract 3 from 9. Hence, your answer is 6.
Hope I helped!