Mathematics Concepts Quiz

What is a natural number?

• A number that includes imaginary units

• A positive integer starting from 1

• Any whole number including zero

• A number that can be expressed as a fraction

Which of the following is a rational number?

• π

• √2

• 1/2

• i

What does the vertical line test determine?

• If a graph is a function

• If a function is one-to-one

• The domain of a function

• The range of a function

What is the slope-intercept form of a linear equation?

• y = a^x

• y = mx + b

• Ax + By = C

• y - y1 = m(x - x1)

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the quadratic formula?

• y = ax² + bx + c

• x = (-b ± √(b² + 4ac)) / 2a

• y = mx + b

• x = (-b ± √(b² - 4ac)) / 2a

Tags

CCSS.HSA-REI.B.4B

What is the definition of a polynomial?

• A number that includes imaginary units

• A function that passes the vertical line test

• A number that can be expressed as a fraction

• A sum of monomials with non-negative integer exponents

What is the degree of a polynomial?

• The number of terms in the polynomial

• The sum of the exponents of all terms

• The coefficient of the term with the highest degree

• The highest power of the variable

What is the product rule for exponents?

• a^m / a^n = a^(m-n)

• a^m * a^n = a^(m+n)

• a^0 = 1

• (a^m)^n = a^(mn)

Tags

CCSS.8.EE.A.1

What is the logarithm of 1 in any base?

• Undefined

• The base itself

• 1

• 0

What is the change of base rule for logarithms?

• log_b(x) = log_k(x) / log_k(b)

• log_b(x) = log_b(xy) - log_b(y)

• log_b(x) = y * log_b(x)

• log_b(x) = 0