8학년 학년말 시험

Multiply. Write each answer in scientific notation.

1. 1
   $(6\times 10^5)\times (1\times 10^2)=$ 

Add or subtract. Write each answer in scientific notation.

1. 2
   $(2\times 10^3)-(7\times 10^2)=$ 

Evaluate. Write fractions in simplest form.

1. 3
   $\sqrt[3]{512}=$ 

Solve. Give every solution.

1. 4
   $x^2=81$ 

Fill in the two integers, or round as shown.

1. 5
   $\boxed{}<\sqrt{172}<\boxed{}$

Write rational or irrational.

1. 6
   $\sqrt{14}$ 

Write each as a fraction or mixed number in simplest form.

1. 7
   $0.7\overline{2}=$ 

Write > or < in each circle.

1. 8
   $-6.5$$-\sqrt{43}$

Use π ≈ 3.14. Include square units.

1. 10
   Area of the shaded region: 

Use π ≈ 3.14. Round to the nearest tenth.

1. 11
   Find the volume. 

Find each missing side. Round to the nearest tenth if needed.

1. 12
   ? = 

Use the box plot to answer each question.

1. 13
   Interquartile range = 

Find the slope (rate of change) of each table.

1. 23
   $\begin{array}{ccccc}x& -3& -1& 1& 3\\ y& -19& -9& 1& 11\end{array}$ 

Find the slope and the y-intercept of each line.

1. 24
   $y=-5x-11$

Write an equation in slope-intercept form for each line.

1. 25
   slope $1$, through $(-1,-8)$

Is the ordered pair a solution of the equation? Write yes or no.

1. 26
   $(6,38)$; $y=6x+2$ 

Evaluate each function.

1. 29
   $h(x)=\frac{1}{2}x+1$; $h(-6)=$ 

Write a linear function y = mx + b for each table.

1. 30
   $\begin{array}{ccccc}x& -8& 4& 8& 12\\ y& -1& 2& 3& 4\end{array}$