Solving Quadratic Equations: Zero Product Property

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The only solution of the equation x2 + bx + 16 = 0 is x = 4. What is the value of b?

b = - 16

b = 8

b=8

b = 16

Two angles of a triangle measure 64 and 48. which of the following is the measure of the largest exterior angle of the triangle

Jerry can detail a car by himself in 50 minutes. sally does the same job in 1 hour. how long will it take them to detail a car working together?

1 and 1/9 plus 3 and 5/8

Y for a daily lottery, a person selects a three-digit number. if the person plays for $1, she can win $500. find the expectation. in the same daily lottery, if a person boxes a number, she will win $80.

What is 6811.09 round to ten

In Mrs. Smith's enrichment class, 25% of the students are boys. There are 7 boys in the class. How many total students are in Mrs. Smith's enrichment class?

If a octagon is 25 centimeters long then the perimeter of the octagon is how many meters

In parallelogram ARMY, angle A equals (3x+10) ° and angle Y equals (2x+15.5) ° what is X?

A box contains 2 white, 3 red, and 4 black marbles. you choose two marbles and each are chosen at random. find the probability that both marbles are black

More precise 2.8 mm or 3.79 mm