Which equations have a leading coefficient of 3 and a constant term of –2? Check all that apply. 0 = 3x2 + 2x – 20 = –2 – 3x2 + 30 = –3x + 3x2 – 2 0 = 3x2 + x + 20 = –1x – 2 + 3x2
a = [___]
-7
b = [___]
1
c = [___]
4
[___]
140
Consider the function f(x) = 3x2 + 7x + 2.
0123
zero real number solutionsone real number solutiontwo real number solutions
Which operation is performed in the derivation of the quadratic formula moving from Step 6 to Step 7?
Which values of c will cause the quadratic equation –x2 + 3x + c = 0 to have no real number solutions? Check all that apply. –5 negative nine-halves negative one-quarter 1 StartFraction 9 Over 4 EndFraction
–17253173
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