Use the discriminant to determine the number of real solutions for the equation below.

x^2 + 2x + 1 = 0

Ques. A biased die has a probability of 1/4 of showing a 5, while the probability of any of 1, 2, 3, 4, or 6 turning up is the same.

Mara found the length of time of an investment. the principal of the investment was $4,300, the interest rate was 6.2 percent, and the interest was $2,666. mara made an error in her work. what is the error?

What is the y-intercept of the graph of y = 2.5x?

There is a cat in front of 2 cats, a cat behind 2 cats, and a cat between 2 cats. What is the least number of cats there could be in the line-up. / explain

The social studies teacher wants to know whether the students in the entire school prefer a model United Nations activity or a student government activity.

The ratio of Gus's driveway is 13 yards to 4 yards. What is the ratio in feet?

Which decimal is greater than 2.234

How do you write 4.51 Ã - 103 in standard form?

How do you graph 1/4x+y=3

Find the prime factorizations of 36 and 1300