Precalculus with Calculus Previews, 6th Edition

Final Examination

A. Fill in the Blanks

In Problems 1–20, fill in the blanks.

1.  Completing the square in x for 2x² + 6x + 5 gives _____.

2.  In the binomial expansion of (1 − 2x)³ the coefficient of x² is _____.

3.  In interval notation, the solution set of the inequality is _____.

4.  If a − 3 is a negative number, then |a − 3| = _____.

5.  If |5x| = 80, then x = _____.

6.  If (a, b) is a point in the third quadrant, then (–a, b) is a point in the _____ quadrant.

7.  The point (1, 7) is on a graph in the Cartesian plane. Give the coordinates ...