Mr. lewis sees a red light ahead and applies the brakes on his car. the car travels 300.5 feet before coming to a stop. for each foot the car travels during this time, its speed changes by -0.2 miles per hour. what is the total change in the car's speed during that time? ( answer as soon as possible ) a. -36.5 b. -60.1 c. -60.10 d. 36.5

multiply distance by change in speed:

300.5 feet x -0.2 mph

300.5 * -0.2 = -60.1 change in speed

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

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