Determining the slope of between two points as fractions

What is the formula for calculating the slope between two points?

• M = (X1 - X2) / (Y1 - Y2)

• M = (Y1 - Y2) / (X1 - X2)

• M = (X2 - X1) / (Y2 - Y1)

• M = (Y2 - Y1) / (X2 - X1)

What is the least common denominator of 3 and 8?

• 16

• 24

• 32

• 48

How do you simplify a fraction when dividing by another fraction?

• Divide the numerators and denominators separately

• Subtract the second fraction from the first

• Add the two fractions

• Multiply by the reciprocal of the second fraction

What is the result of multiplying 7 by -7?

• 49

• 14

• -49

• 0

What is the simplified form of 49/204?

• 49/204

• 7/34

• 49/102

• 7/24