Consider a square whose size varies. Let s represent the side length of the square (in cm) and let P represent the perimeter of the square (in cm). Write a formula that expresses P in terms of s. Consider the equation 18=4s. Solve this equation for s. What does this solution represent? Select all that apply. The square's current side length (in cm). The perimeter (in cm) of a square whose side length is 4.5 cm. The side length (in cm) of a square whose perimeter is 18 cm. Write a formula that expresses s in terms of P. Evaluate your formula from part (c) for P=18.
Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Consider a square whose size varies. Let s represent the side length of the square (in cm) and let P represent the perimeter of the square (in cm).
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Write a formula that expresses P in terms of s.
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Consider the equation 18=4s.
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Solve this equation for s.
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What does this solution represent? Select all that apply.
- The square's current side length (in cm).
- The perimeter (in cm) of a square whose side length is 4.5 cm.
- The side length (in cm) of a square whose perimeter is 18 cm.
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Write a formula that expresses s in terms of P.
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Evaluate your formula from part (c) for P=18.
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