Page 277 - Algebra 1

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Cooking To make two batches of cookies, Ralph needs _3 cup molasses. How many 4
cups would he need to make 6 batches of cookies?
Painting It will cost $2.50 per square foot to paint the walls of a storage shed.
Write a rule in function notation to describe the cost of painting x square feet of outside wall space.
The two parabolas have the same shape but different orientations. Determine whether each parabola is a function.
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x Parabola B x
Parabola A
Multi-Step A physicist wants to find the kinetic energy of a ball that has a mass of
2.5 kg and travels a distance of 5.8 meters in 2.5 seconds. The formula for kinetic
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energy is EK = _1 mv2, where m is the mass of the object and v is the object’s velocity. 2 _d
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Saxon Algebra 1
The formula for velocity is v = t , where d is distance traveled and t is the amount of time. What are the velocity and the kinetic energy of the ball?
Multi-Step Two cars travel the same distance. Car 1 travels at 50 mph and Car 2 at 65 mph. If it takes Car 1 one more hour to travel than Car 2, how far did the cars travel? Remember, d = rt.
a. Write an expression to represent the distance Car 2 travels.
b. Write an expression to represent the distance Car 1 travels. c. Use these expressions to find the time Car 2 traveled.
d. Use this information to determine the distance traveled.
Multi-Step The length of a rectangle is 5 inches less than 3 times the width. The perimeter of the rectangle is 14 inches. Find the length and width of the rectangle.