A quadratic equation in standard form is written ax2 + bx + c = 0, where a, b, and care real numbers and a is not zero.
OA. True
O B. False

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y