GRE Practice Questions - 9 & Answer Key

1. Solve $15x-32=18-10x$
   
   
   1. $-14$
   2. $10$
   3. $14$
   4. $2$
   5. $50$
   
   
2. Solve $\frac{x}{8}=\frac{x-2}{4}$
   
   
   1. $12$
   2. $4$
   3. $6$
   4. $-\frac{1}{2}$
   5. $-6$
   
   
3. Which of the following are the factors of $t^{2}+8t+16$
   
   
   1. $(t-4)(t-4)$
   2. $(t-8)(t-2)$
   3. $(t+8)(t+2)$
   4. $(t+1)(t+16)$
   5. $(t+4)(t+4)$
   
   
4. Solve for a in term of b, if $6a+12b=24$
   
   
   1. $24-12b$
   2. $2-\frac{1}{2}b$
   3. $4-2b$
   4. $24-18b$
   5. $2b-4$
   
   
5. If $ax+2b=5c-dx$, what does x equal in terms of a, b, c, and d?
   
   
   1. $5c-d-2b-a$
   2. $a-d$
   3. $(5c-2b)(a-d)$
   4. $\frac{5c-d-2b}{a}$
   5. $\frac{5c-2b}{a-d}$
   
   
6. If $(z-9)(z+3)=0$, what are the two possible values of z?
   
   
   1. $z=-9$ abd $z=3$
   2. $z=9$ abd $z=0$
   3. $z=0$ abd $z=-3$
   4. $z=9$ abd $z=-3$
   5. $z=-12$ abd $z=12$
   
   
7. If $z^{2}-6z=16$, which of the following could be a value of $z^{2}+6z$?
   
   
   1. $-8$
   2. $112$
   3. $110$
   4. $18$
   5. $108$
   
   
8. If $3\sqrt{ a}-10=2$, what is the value of a?
   
   
   1. $16$
   2. $4$
   3. $32$
   4. $64$
   5. $12$
   
   
9. Given $\frac{(x+6)(x^{2}-2x-3)}{x^{2}+3x-18}=10$, find the value of x.
   
   
   1. $18$
   2. $4$
   3. $12$
   4. $9$
   5. $12$
   
   
10. Solve the equation $\frac{5x}{8}-\frac{3x}{5}=2$.
    
    
    1. $40$
    2. $80$
    3. $160$
    4. $-80$
    5. $20$
    
    

    Answer Key

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