Integrated Algebra - June 2009


37 A stake is to be driven into the ground away from the base of a 50-foot pole, as shown in the diagram below. A wire from the stake on the ground to the top of the pole is to be installed at an
angle of elevation of 52.

How far away from the base of the pole should the stake be driven in, to the nearest foot?

What will be the length of the wire from the stake to the top of the pole, to the nearest foot?

38 The Fahrenheit temperature readings on 30 April mornings in Stormville, New York, are shown

Click on image to enlarge

39 On the set of axes below, solve the following system of equations graphically for all values of
x and y.

y = x2 - 6x + 1
y + 2x = 6

Click on image to enlarge

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