Integrated Algebra - June 2009

**PART IV**

**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

below.

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

x and y.

y = x^{2} - 6x + 1

y + 2x = 6

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