The pretest in this section covers skills that are used in this book. Doing it at the start of a course will help you identify areas in algebra where reviewing early on will help you succeed.

**1.** What is the equation of the line in Figure P.1?

**2.** What is the value of *a* in Figure P.2?

**3.** Find *a*_{1} and *a*_{2} from Figure P.3.

**4.** Match each of the four lines in Figure P.4 with one of the slopes 0, 1, 2, −1, −2.

**5.** Solve for *P*_{0}:

**6.** Solve for *r*:

**7.** If *f*(*t*) = 4*t* + (*t* + 3)^{2}, find *f*(0).

**8.** If *f(x)* = 4*x* + 28, solve *f(x)* = 0.

**9.** Which of the following is equivalent to 16 − *x*^{2} + 6*x*?

**(a)** 7 + (3 − *x*)^{2}

**(b)** 16 − (*x* − 3)^{2}

**(c)** 25 − (*x* − 3)^{2}

**(d)** 52 − (*x* − 6)^{2}

**(e)** 25 − (*x* + 3)^{2}

**(f)** None of the above

**10.** What are the coordinates of the point *Q* in Figure P.5?

**11.** What are the coordinates of the point *P* in Figure P.5?

**12.** Find ...

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