Questions: For each line, determine whether the slope is positive, negative, zero, or undefined.

For each line, determine whether the slope is positive, negative, zero, or undefined.
Transcript text: For each line, determine whether the slope is positive, negative, zero, or undefined.
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Solution Approach

  1. Solving a linear equation with several occurrences of the variable: Variables on both sides: To solve a linear equation with variables on both sides, first simplify each side of the equation if necessary. Then, move all terms containing the variable to one side of the equation and constant terms to the other side. Finally, solve for the variable by isolating it.

  2. Classifying slopes given graphs of lines: To classify the slope of a line given its graph, observe the direction of the line. If the line rises from left to right, the slope is positive. If it falls from left to right, the slope is negative. If the line is horizontal, the slope is zero. If the line is vertical, the slope is undefined.

  3. Least common multiple of 2 numbers: To find the least common multiple (LCM) of two numbers, determine the prime factorization of each number. Then, for each distinct prime factor, take the highest power that appears in the factorizations. Multiply these together to get the LCM.

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