## Questions and Answers

Which of the following is the correct formula to convert °C to °F?

F = (C * 1.8) + 32

If Antonio can drive home after working less than 7 hours or after working more than 9 hours, how can this be written as a single compound inequality?

h < 7 or h > 9

Which number line represents the solutions to the equation –2|x| = –6?

Number line A

Which explains whether Johan's solutions for the equation –2|8 – x| – 6 = –12 are correct?

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What is the result of converting 50°C to °F?

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Which situation could be represented by the graph?

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What is a correct first step in solving the inequality –4(3 – 5x)≥ –6x + 9?

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Anastasia uses the equation p = 0.7(rh + b) to estimate the amount of take-home pay, p, for h hours worked at a rate of r dollars per hour and any bonus received, b. What is an equivalent equation solved for h?

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The tables represent the functions f(x) and g(x). Which input value produces the same output value for the two functions?

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Deepak wrote out the steps to his solution of the equation – 3x – 5 + 4x = –. Which step has an incorrect instruction?

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Which expression represents the conversion of 20°F to °C?

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What is the compound inequality that represents Antonio driving home after working less than 7 hours or after working more than 9 hours?

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Which number line represents the solutions to the equation |2x| = -6?

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The equation -3|x - 4| - 5 = -2 has how many possible solutions?

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Which situation could be represented by the graph?

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What is the equivalent compound inequality for the statement 'z is greater than -3 or less than or equal to 5'?

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What is the solution to the equation –9x + 1 = –x + 17?

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What is the value of y in the equation y + 3 = –y + 9?

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What is the solution to the inequality 2(4x – 3) ≥ –3(3x) + 5x?

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What is the value of n in the equation n = 0?

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What is a correct first step in solving the inequality –4(3 – 5x)≥ –6x + 9?

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In the equation p = 0.7(rh + b), what is an equivalent equation solved for h?

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In the functions f(x) and g(x), which input value produces the same output value for the two functions?

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Which step in Deepak's solution to the equation –3x – 5 + 4x = – is incorrect?

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Lily begins solving the equation: 4(x – 1) – x = 3(x + 5) – 11. How can her partial solution be interpreted?

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'Anastasia uses the equation p = 0.7(rh + b) to estimate the amount of take-home pay, p, for h hours worked at a rate of r dollars per hour and any bonus received, b.' Which of the following is another correct form of the given equation?

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