Question

Which of the following expressions equals the product of 5, x, -8, and y?

A) 5 + x - 8 + y
B) 5x * (-8y)
C) -40xy
D) 5(-8)xy
E) (5 - 8)(x + y)

Answer 1

The product of 5, x, -8, and y is found by multiplying these numbers together following the rules of multiplication. The final expression is -40xy, making the correct answer C) -40xy.

Step-by-step explanation:

The expression that equals the product of 5, x, -8, and y is found by multiplying these values together. To find the product, follow these steps:

• Multiply 5 and x to get 5x.
• Multiply -8 and y to get -8y.
• Now multiply 5x and -8y together.
• Since 5 and -8 have opposite signs, their product will be negative based on multiplication rules.
• The final expression is 5x * -8y, which simplifies to -40xy.

Therefore, the correct answer is C) -40xy.