8th Grade Mathematics Final Exam Review Part 2

This video tutorial by Mr. Witte covers a comprehensive review of 8th-grade mathematics topics in preparation for the final exam. It includes ordering numbers, writing equations, graphing lines, solving angles and equations, identifying rational and irrational numbers, applying exponential rules, solving quadratic and cubic equations, calculating surface area and volume, using the Pythagorean theorem, applying the distance formula, identifying functions, and simplifying radicals. The tutorial is interactive, with Mr. Witte engaging with students and providing detailed explanations and examples.

Which of the following numbers is the smallest when converted to decimal notation?

• 8.375

• 8.25

• 8.2

• 9.42

What is the slope of the line that passes through the points (0, 3) and (8, 5)?

• 1/2

• 1/4

• 2/3

• 3/4

If the y-intercept of a line is -2 and the slope is -2/3, what is the equation of the line?

• y = 2/3x - 2

• y = 2/3x + 2

• y = -2/3x + 2

• y = -2/3x - 2

Which of the following is an irrational number?

• Square root of 121

• 13/10

• 27/100

• Square root of 2

What is the solution set for the equation x^2 - 12 = 13?

• {-6, 6}

• {-4, 4}

• {-3, 3}

• {-5, 5}

What is the solution to the cubic equation $ x^3 - 6 = 44 $?

• 6

• 50

• The square root of 50

• The cube root of 50

What is the result when solving the equation $ 7(2x - 2) = 9x - 18 + 5x $?

• x = 0

• No solution

• x = -2

• x = 2

How do you find the total surface area of a rectangular prism?

• Sum of all side lengths

• Length times width times height

• Perimeter of the base times height plus two times the area of the base

• Base area times height

What is the volume of a cone with a radius of 5 cm and a height of 12 cm?

• 314 cubic centimeters

• 150 cubic centimeters

• 200 cubic centimeters

• 100 cubic centimeters

Which of the following sets of ordered pairs represents a function?

• {(0,1), (1,2), (0,3), (4,5), (3,6)}

• {(0,1), (1,2), (2,3), (3,4), (4,5)}

• {(0,1), (1,2), (2,3), (2,4), (3,5)}

• {(0,1), (1,2), (2,3), (3,4), (3,5)}