Ages 11–12🧮 Mathematics479 verified questions on this shelf

Substituting into Formulae

Substitute numerical values into formulae and expressions including scientific formulae; evaluate expressions by replacing variables with given values and computing the result using correct order of operations

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Question 1 of 3

If x = 3 and y = -2, what is the value of the expression 2x22x^2 – 3y?

Question 2 of 3

Given that x = 3 and y = -2, what is the value of the expression 4x - 2y + 5?

Question 3 of 3

Given that x = 4 and y = 2, what is the value of the expression 3x + 2y?

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Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.