Patterns & Functions 1 — Basic Algebra

Questions in this quiz (10)

1. Find the eighth term in the sequence: $$3,\ 6,\ 12,\ 24,\ 48,\ldots$$

   • $$384$$

2. Using the function: $$y=5x-2,$$ what is the value of $$y$$ when $$x=4$$?

   • $$18$$

3. Using the function: $$n=150-5(m-2),$$ what is the value of $$n$$ when $$m=8$$?

   • $$120$$

4. What is the next number in the sequence? $$14,\ 20,\ 26,\ 32,\ \underline{\hspace{1cm}}$$

   • $$38$$

5. In the function: $$y=6x-5,$$ if: $$x=4,$$ what is the value of $$y$$?

   • $$19$$

6. In the function: $$y=3(x+5)-4,$$ if: $$x=2,$$ what is the value of $$y$$?

   • $$17$$

7. Each term in the second row is determined by the function: $$y=4x+2$$ $$ \begin{array}{c|cccccc} x & 1 & 2 & 3 & 4 & 5 & 10\\ \hline y & 6 & 10 & 14 & 18 & 22 & ? \end{array} $$ What number belongs in the shaded box?

   • $$42$$

8. In the function: $$y=\frac{x-8}{4}+6,$$ if: $$x=20,$$ what is the value of $$y$$?

   • $$9$$

9. What is the next term in the pattern below? $$640,\ 320,\ 160,\ 80,\ 40,\ \underline{\hspace{1cm}}$$

   • $$20$$

10. $$5,\ -1,\ 9,\ 3,\ 13,\ \underline{\hspace{1cm}}$$What is the next number in the sequence?

    • $$7$$