{"id":42,"date":"2020-02-07T11:25:30","date_gmt":"2020-02-07T16:25:30","guid":{"rendered":"https:\/\/pressbooks.library.torontomu.ca\/pohmath\/chapter\/2-5-practice-question-answers\/"},"modified":"2023-11-27T14:19:24","modified_gmt":"2023-11-27T19:19:24","slug":"2-5-practice-question-answers","status":"publish","type":"chapter","link":"https:\/\/pressbooks.library.torontomu.ca\/pohmath\/chapter\/2-5-practice-question-answers\/","title":{"raw":"2.5. Practice question answers","rendered":"2.5. Practice question answers"},"content":{"raw":"[Latexpage]\n

Chapter 2 practice question answers<\/h1>\n
\n

2.1. Graphing a Linear Equation<\/strong><\/p>\n\n<\/header>\n

\n\n1.<\/strong> Yes\n\n2.\u00a0 \u00a0 \u00a0 <\/strong>a.\u00a0<\/strong>(2, -6) (6 , 6)\n

b.<\/strong> (0, -12) (4, 0)<\/p>\n3.\u00a0<\/strong>\n

\"\"<\/div>\n4.\u00a0<\/strong>\n
\"\"<\/div>\n5.\u00a0<\/strong>\n
\"\"<\/div>\n
6.\u00a0<\/strong><\/div>\n
\n
\"\"<\/div>\n<\/div>\n<\/div>\n<\/div>\n \n
\n

2.2. Slope of a Line<\/strong><\/p>\n\n<\/header>\n

\n\n1.\u00a0 a.\u00a0 <\/strong>m\u00a0<\/em>= 2\n\n\u00a0 \u00a0 \u00a0b.\u00a0 <\/strong>m\u00a0<\/em>= -2\n\n\u00a0 \u00a0 \u00a0c.\u00a0 <\/strong>m\u00a0<\/em>= -1\n\n2.\u00a0 a.\u00a0 <\/strong>m\u00a0<\/em>= -2\n\n\u00a0 \u00a0 \u00a0b.\u00a0 <\/strong>m\u00a0<\/em>=<\/strong> $3\/4$\n\n\u00a0 \u00a0 \u00a0c.\u00a0 <\/strong>m\u00a0<\/em>= 2\n\n3.\u00a0 a.\u00a0 <\/strong>\n
\"\"<\/div>\n3.\u00a0 b.<\/strong>\n
\"\"<\/div>\n<\/div>\n<\/div>\n \n
\n

2.3. Equation of a Line<\/strong><\/p>\n\n<\/header>\n

\n\n1.\u00a0 a.\u00a0<\/strong> $y = 6x - 13$\n\n\u00a0 \u00a0 \u00a0b.\u00a0 <\/strong>$y = 2\/5x - 4$\n\n\u00a0 \u00a0 \u00a0c.\u00a0 <\/strong>$y = 5\/2x - 10$\n\n\u00a0 \u00a0 \u00a0d.\u00a0 <\/strong>$y = -3x - 13$\n\n\u00a0 \u00a0 \u00a0e.\u00a0 <\/strong>$y = -1$\n\n\u00a0 \u00a0 \u00a0f.\u00a0 <\/strong>$y = -4\/3x + 4$\n\n2.\u00a0<\/strong> a.<\/strong> $3x - 4y = -4$\n\n\u00a0 \u00a0 \u00a0b. <\/strong>$4x - 3y = 17$\n\n<\/div>\n<\/div>\n \n
\n

2.4. Applications<\/strong><\/p>\n\n<\/header>\n

\n\n1.\u00a0<\/strong> $y = 20x + 350$\n\n2.<\/strong>\u00a0 $y = 2\/5x$, $68$ pounds\n\n3.<\/strong>\u00a0 \u2248 \\$1,030,358\n\n4.\u00a0 <\/strong>45,222\n\n5.\u00a0<\/strong> $x = 5$ dollars, $y = 23000$ items\n\n6.\u00a0<\/strong> (8250, 12375)\n\n<\/div>\n<\/div>\n \n\n ","rendered":"

Chapter 2 practice question answers<\/h1>\n
\n
\n

2.1. Graphing a Linear Equation<\/strong><\/p>\n<\/header>\n

\n

1.<\/strong> Yes<\/p>\n

2.\u00a0 \u00a0 \u00a0 <\/strong>a.\u00a0<\/strong>(2, -6) (6 , 6)<\/p>\n

b.<\/strong> (0, -12) (4, 0)<\/p>\n

3.\u00a0<\/strong><\/p>\n

\"\"<\/div>\n

4.\u00a0<\/strong><\/p>\n

\"\"<\/div>\n

5.\u00a0<\/strong><\/p>\n

\"\"<\/div>\n
6.\u00a0<\/strong><\/div>\n
\n
\"\"<\/div>\n<\/div>\n<\/div>\n<\/div>\n

 <\/p>\n

\n
\n

2.2. Slope of a Line<\/strong><\/p>\n<\/header>\n

\n

1.\u00a0 a.\u00a0 <\/strong>m\u00a0<\/em>= 2<\/p>\n

\u00a0 \u00a0 \u00a0b.\u00a0 <\/strong>m\u00a0<\/em>= -2<\/p>\n

\u00a0 \u00a0 \u00a0c.\u00a0 <\/strong>m\u00a0<\/em>= -1<\/p>\n

2.\u00a0 a.\u00a0 <\/strong>m\u00a0<\/em>= -2<\/p>\n

\u00a0 \u00a0 \u00a0b.\u00a0 <\/strong>m\u00a0<\/em>=<\/strong> \"3/4\"<\/p>\n

\u00a0 \u00a0 \u00a0c.\u00a0 <\/strong>m\u00a0<\/em>= 2<\/p>\n

3.\u00a0 a.\u00a0 <\/strong><\/p>\n

\"\"<\/div>\n

3.\u00a0 b.<\/strong><\/p>\n

\"\"<\/div>\n<\/div>\n<\/div>\n

 <\/p>\n

\n
\n

2.3. Equation of a Line<\/strong><\/p>\n<\/header>\n

\n

1.\u00a0 a.\u00a0<\/strong> \"y = 6x - 13\"<\/p>\n

\u00a0 \u00a0 \u00a0b.\u00a0 <\/strong>\"y = 2/5x - 4\"<\/p>\n

\u00a0 \u00a0 \u00a0c.\u00a0 <\/strong>\"y = 5/2x - 10\"<\/p>\n

\u00a0 \u00a0 \u00a0d.\u00a0 <\/strong>\"y = -3x - 13\"<\/p>\n

\u00a0 \u00a0 \u00a0e.\u00a0 <\/strong>\"y = -1\"<\/p>\n

\u00a0 \u00a0 \u00a0f.\u00a0 <\/strong>\"y = -4/3x + 4\"<\/p>\n

2.\u00a0<\/strong> a.<\/strong> \"3x - 4y = -4\"<\/p>\n

\u00a0 \u00a0 \u00a0b. <\/strong>\"4x - 3y = 17\"<\/p>\n<\/div>\n<\/div>\n

 <\/p>\n

\n
\n

2.4. Applications<\/strong><\/p>\n<\/header>\n

\n

1.\u00a0<\/strong> \"y = 20x + 350\"<\/p>\n

2.<\/strong>\u00a0 \"y = 2/5x\", \"68\" pounds<\/p>\n

3.<\/strong>\u00a0 \u2248 $1,030,358<\/p>\n

4.\u00a0 <\/strong>45,222<\/p>\n

5.\u00a0<\/strong> \"x = 5\" dollars, \"y = 23000\" items<\/p>\n

6.\u00a0<\/strong> (8250, 12375)<\/p>\n<\/div>\n<\/div>\n

 <\/p>\n

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