Solve using the quadratic formula.
3x2 - 7x - 3 = 0
a) x =
7 ±
13
2
b) x =
7 ±
85
6
c) x =
7 ±
85
2
d) x = -
7 ±
13
6
e) x = -
7 ±
13
4

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Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.