Q2 Benchmark Math 23-24 - 8th Grade

Front

Is the number 0.333... rational or irrational?

Back

Rational - A rational number can be expressed as a fraction of two integers.

Front

Express the following in scientific notation: 0.00000567

Back

5.67 x 10^-6

Front

What is the solution to the equations 2x + 3 = 7?

Back

One solution - The equation has a unique solution.

Front

According to exponent rules, when we divide two powers with the same base we _______ the exponents.

Back

Subtract - Example: c^6 ÷ c^4 = c^(6-4) = c^2.

Front

Which expression represents the perimeter of a rectangle with length 5x and width 3x?

Back

16x - The perimeter is calculated as 2(length + width).

Front

What is a rational number?

Back

A number that can be expressed as a fraction a/b where a and b are integers and b ≠ 0.

Front

What is the scientific notation for 150000?

Back

1.5 x 10^5

Front

What does it mean if an equation has no solution?

Back

It means there are no values for the variable that satisfy the equation.

Front

According to exponent rules, when we raise a power to a power we _______ the exponents.

Back

Multiply - Example: (c^2)^3 = c^(2*3) = c^6.

Front

What is the area of a rectangle with length 10 and width 4?

Back

40 - Area is calculated as length × width.