## Thursday, September 8, 2011

### PCAT Quantitative Practice Questions -10

1. The least common multiple of 8, 14, and 20 is

1. $8$
2. $70$
3. $120$
4. $280$

2. What is the slope of the line $3x+y=5$

1. $-3$
2. $1$
3. $3$
4. $5$

3. What is the value of $(\frac{25}{16})^{-\frac{1}{2}}$

1. $-\frac{4}{5}$
2. $\frac{25}{16}$
3. $\frac{4}{5}$
4. $\frac{5}{4}$

4. If $y=9x+1$, then $\frac{dy}{dx}$

1. $1$
2. $3$
3. $9$
4. $9x$

1. 
2. 
3. 
4. 

5. If $c^{\frac{3}{2}}=8$, what is the value of c?

1. $3$
2. $9$
3. $27$
4. $81$

6. What is the value of $\log_{3}81=4$

1. $2$
2. $4$
3. $8$
4. $32$

7. If $f(x)=25^{x}$, then $f(\frac{1}{2})=$

1. $1$
2. $5$
3. $5\frac{1}{2}$
4. $15$

8. If $a=\frac{7}{3}$ then $\frac{1}{a}=$

1. $3$
2. $7$
3. $\frac{3}{7}$
4. $\frac{7}{3}$

9. $y(x)=\frac{2}{x}$

1. $2$
2. $\frac{2}{x^{2}}$
3. $-\frac{2}{x^{2}}$
4. $-2x^{2}$

10. What is the second derivative of $y=7x^{2}+3x+1$

1. $3$
2. $7$
3. $14$
4. $14x+3$

## Sunday, September 4, 2011

### PCAT Quantitative Practice Questions -9

1. If $x=9$, then $3(x-3)^{2}=$

1. $108$
2. $112$
3. $84$
4. $94$

2. $(a^{7})^{6}$

1. $a^{13}$
2. $a^{42}$
3. $a^{7}$
4. $a^{6}$

3. What is the slop of the line that passes through $(-5,7)$ and $(2,-2)$?

1. $\frac{9}{7}$
2. $\frac{3}{7}$
3. $-\frac{3}{7}$
4. $\frac{-9}{7}$

4. Factor: $x^{2}-4x-5$

1. $(x-1)(x+5)$
2. $(x+1)(x-5)$
3. $(x+4)(x+1)$
4. $(x-3)(x+4)$

5. What is the y-intercept of the line expressed in the equation $2x+3y=6$?

1. $3$
2. $2$
3. $-2$
4. $\frac{2}{3}$

6. Find the domain for the given function.
$f(x)=\log(x+5)$

1. $(-5,\infty)$
2. $[-5,\infty)$
3. $(-\infty,5)$
4. $[-\infty,5)$

7. Which line is perpendicular to the y-axis?

1. $x=6$
2. $x=y-1$
3. $y=x+1$
4. $y=1$

8. $\lim_{x \to \infty}(\frac{9x^{5}-9x^{4}+3x^{3}+6x^{2}-x}{3x^{5}-5x^{2}})$

1. $3$
2. $0$
3. $-3$
4. $\infty$

9. $x^{2}+5=149$, $x=$

1. $11,-11$
2. $12,-12$
3. $14,-14$
4. None of the above

10. $\lim_{x \to 3}(\frac{x^{2}-9}{x-3})$

1. $0$
2. $\infty$
3. $6$
4. $1$

 1 A 2 B 3 D 4 B 5 B 6 A 7 D 8 A 9 B 10 C
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