Part 1 — Full Practice Exam 5

Questions in this quiz (5)

1. For which value of $$y$$ does the expression $$\sqrt{y-4}$$ have no real-number value?

   • $$4$$
   • $$5$$
   • $$3$$
   • $$6$$

2. Add.$$\frac{5}{3}+\frac{7}{4}$$

   • $$\frac{12}{7}$$
   • $$\frac{41}{12}$$
   • $$\frac{35}{12}$$
   • $$\frac{31}{12}$$

3. If $$a=-4$$ and $$b=5$$, what is the value of $$3a-2b$$?

   • -22

4. Place the following numbers in their correct positions on the number line.$$0.25,\ -\frac{1}{4},\ -0.75,\ -\frac{1}{2},\ 0.5$$Which choice lists the numbers from left to right?

   • $$-\frac{1}{4},\ -\frac{1}{2},\ -0.75,\ 0.25,\ 0.5$$
   • $$-0.75,\ -\frac{1}{4},\ -\frac{1}{2},\ 0.25,\ 0.5$$
   • $$0.5,\ 0.25,\ -\frac{1}{4},\ -\frac{1}{2},\ -0.75$$
   • $$-0.75,\ -\frac{1}{2},\ -\frac{1}{4},\ 0.25,\ 0.5$$

5. The dot plot shows a set of data values.What is the minimum number of additional marks that must be placed above $$3$$ so that $$3$$ becomes the only mode?

   • Add $$1$$ mark above $$3$$.
   • Add $$1$$ mark above $$2$$.
   • Add $$2$$ marks above $$10$$.
   • Add $$3$$ marks above $$5$$.