For the equation y 6x2 - 9x + 22, choose the correct application of the quadratic formula
-6 /(6)2 - 4(-9)(22)
XE
2(-9)
X=
6(6)2 - 4(-9)(22)
2(-9)
X =
-9/(-9)2 - 4(6)(22)
2(6)
9+ (-9)2 - 4(6)(22)
2(6)

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.