Common-Core/ Grade 8
Maths MCQ Based On Solving equations using properties
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Common-Core Grade 8 - 8 Solving equations using properties
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b) 16 cm, 32 cm c) 18 cm, 36 cm d) 20 cm, 40 cm
Identity property
Distributive property
Let’s say the first even number is x. Since the numbers are consecutive even numbers, the next even number would be x + 2
Additive property
compare both the sides in the equation
Let’s say the son’s current age is x. Since the father is 4 times as old as his son, the father’s current age would be 4x.
Let’s say the two-digit number is xy, where x is the tens digit and y is the units digit. The value of the number is 10x + y. According to the first condition, the number is equal to four times the sum of its digits: 10x + y = 4(x + y). Simplifying this equation, we get 6x = 3y, or x = y/2.
The perimeter of a rectangle is given by the formula P = 2L + 2W
open the brackets and then solve the equation.
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