mathematics

Front

What is the sum of 3 and -2?

Back

1

Front

If 9999 = 4, 8888 = 8, 1816 = 6, 1212 = 0, what does 1919 equal?

Back

4

Front

What is the solution of the equation X + 3 = -1?

Back

-4

Front

What is the slope of a horizontal line?

Back

0

Front

If my grandson is as many days as my daughter in weeks, and my grandson is as many months as I am in years, and together we are 120 years, how old am I?

Back

72

Front

What is the definition of a rational number?

Back

A number that can be expressed as the quotient or fraction of two integers.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

Front

What is the formula for the area of a circle?

Back

A = πr², where r is the radius.

Front

What is the definition of a prime number?

Back

A natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / 2a.