Grade 8 End-of-Year Test

Multiply. Write each answer in scientific notation.

1. 1
   $(4\times 10^8)\times (8\times 10^8)=$ 

Add or subtract. Write each answer in scientific notation.

1. 2
   $(8.7\times 10^8)+(9.1\times 10^9)=$ 

Evaluate. Write fractions in simplest form.

1. 3
   $\sqrt[3]{27}=$ 

Solve. Give every solution.

1. 4
   $x^3=-64$ 

Fill in the two integers, or round as shown.

1. 5
   Nearest whole number: $\sqrt{221}\approx$ 

Write rational or irrational.

1. 6
   $\sqrt{150}$ 

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

1. 7
   $0.\overline{2}=$ 

Write > or < in each circle.

1. 8
   $\sqrt[3]{38}$$\sqrt{10}$

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
   Median = 

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

1. 23
   $\begin{array}{ccccc}x& 2& 3& 5& 6\\ y& -4& -9& -19& -24\end{array}$ 

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

1. 24
   $y=-4x+11$

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

1. 25
   slope $\frac{1}{4}$, through $(-12,-1)$

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

1. 26
   $(-4,7)$; $3x-5y=-37$ 

Evaluate each function.

1. 29
   $h(x)=-\frac{3}{2}x-5$; $h(6)=$ 

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

1. 30
   $\begin{array}{ccccc}x& 3& 12& 21& 27\\ y& -7& -1& 5& 9\end{array}$