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    Graphing inequalities and solving equations

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    Section 2.3

    Solve for specified variable

    2. W = gh: for g

    6. 2x + 3y = 17; for y

    10. y = mx + b; for x

    14. A = 5H (b + B); for b

    Section 2.4

    2. {x|x ≥ - 7}

    6. {x|-7/8 ≥ x}

    10. {x|-3 ≥ x ≥ -7}

    Graph the solution set and write it in interval notation

    18. x + 2 ≤ -1

    22. 7x - 1 ≥ 6x - 1

    26. 5/6x ≥ -8

    30. -4x ≥ 15

    Solve, write the solution using interval notation
    34. 8 - 5x ≤ 23

    38. 5(x+ 4) ≤ 4(2x + 3)

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    https://brainmass.com/math/basic-algebra/graphing-inequalities-solving-equations-200804

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    Section 2.3

    Solve for specified variable

    2. W = gh: for g

    divide each side by h, we will get

    W/h = gh/h
    => W/h = g

    Answer: g = W/h

    6. 2x + 3y = 17; for y

    Bring 2x to right side, we will get

    3y = 17 - 2x

    Divide each side by 3, we will get

    y = (17-2x)/3

    10. y = mx + b; for x

    subtract b from each side, we will get

    y - b = mx

    OR

    mx = y - b

    divide each side by m, we will get

    x = (y -b)/m

    14. A ...

    Solution Summary

    The expert graphs inequalities and solving equations. A step by step detailed solution is provided.

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