Algebraic Expressions 2 — Basic Algebra

Questions in this quiz (10)

1. Which of the following expressions is equal to: $$4x^2+2(x+5)-3?$$

   • $$4x^2+2x+7$$
   • $$4x^2+2x+13$$
   • $$6x^2+7$$
   • $$4x^2-2x+7$$

2. Given the expression: $$3x^2-2(y-4),$$ which of the following values of $$x$$ and $$y$$ will result in a value of 16?

   • $$x=2,\ y=4$$
   • $$x=2,\ y=2$$
   • $$x=1,\ y=1$$
   • $$x=-1,\ y=5$$

3. The formula for converting a temperature from degrees Celsius to degrees Fahrenheit is: $$F=\frac{9}{5}C+32$$ If the temperature is $$25^\circ\text{C}$$, what is the temperature in degrees Fahrenheit?

   • $$45^\circ\text{F}$$
   • $$57^\circ\text{F}$$
   • $$77^\circ\text{F}$$
   • $$90^\circ\text{F}$$

4. Find the value of the expression: $$3x^2-2x+7$$ when $$x=-3$$.

   • $$34$$
   • $$40$$
   • $$28$$
   • $$22$$

5. Find the value of the expression $$3(x+2)+\frac{4x}{5}$$ when $$x=5$$.

   • $$19$$
   • $$23$$
   • $$25$$
   • $$27$$

6. Find the value of the expression $$\frac{4x+8}{2}+\sqrt{169}$$ when $$x=3$$.

   • $$17$$
   • $$19$$
   • $$21$$
   • $$23$$

7. What is the value of $$4x^2+2x+1$$ when $$x=3$$?

   • $$39$$
   • $$41$$
   • $$43$$
   • $$45$$

8. Find the value of: $$\sqrt{16}x+3x$$ to the nearest tenth when $$x=6$$.

   • $$36.0$$
   • $$42.0$$
   • $$48.0$$
   • $$54.0$$

9. If $$x=-2$$, what is the value of: $$5x^2-3x+4?$$

   • $$22$$
   • $$24$$
   • $$30$$
   • $$34$$

10. What is the value of: $$\frac{1}{3}x+12$$ when $$x=9$$?

    • $$12$$
    • $$14$$
    • $$15$$
    • $$18$$