https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/v/interpreting-linear-graphs 2021-06-30T18:10:12Z Linear graphs word problems Sal discusses how we would go about making sense of the direction of a linear graph that represents a relationship between two real-world quantities. Sal Khan video https://cdn.kastatic.org/googleusercontent/H0hJcXLPMFBpYP3uQlIMxraf_R4iuewSEGTkUmjmZYDzD8JWbO5j9P1Ad9HGs97F_Z26MxZ4HhcEwZ17xu7i4Ghg Linear graphs word problems Sal discusses how we would go about making sense of the direction of a linear graph that represents a relationship between two real-world quantities. https://cdn.kastatic.org/ka-youtube-converted/xR9r38mZjK4.mp4/xR9r38mZjK4.mp4 305 Linear models https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/a/modeling-with-tables-equations-and-graphs 2024-06-11T23:30:04.131965576Z Modeling with tables, equations, and graphs See how relationships between two variables like number of toppings and cost of pizza can be represented using a table, equation, or a graph. article https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/v/interpreting-features-of-linear-functions-example 2021-06-30T18:10:10Z Linear graphs word problem: cats Sal finds the y-intercept and the slope of a linear relationship representing someone accumulating cats! He then interprets what the y-intercept and the slope mean in that context. Sal Khan video https://cdn.kastatic.org/googleusercontent/dfMZcCcp1MGCOUcu94PLAKK-kWy2h44RFTIBaD3wJUpiSNEzGuR0HZAZGayiggSuZpe3KZgt2u75FY7xw4Hc8EcAcg Linear graphs word problem: cats Sal finds the y-intercept and the slope of a linear relationship representing someone accumulating cats! He then interprets what the y-intercept and the slope mean in that context. https://cdn.kastatic.org/ka-youtube-converted/qo5jU_V6JVo.mp4/qo5jU_V6JVo.mp4 163 Linear models https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/v/interpreting-features-of-linear-functions-example-2 2021-06-30T18:10:12Z Linear equations word problems: volcano Sal finds the y-intercept and the slope of a linear relationship representing someone climbing a volcano. He then interprets what the y-intercept and the slope mean in that context. Sal Khan video https://cdn.kastatic.org/googleusercontent/XuygUppD6g8aQ05KV7SrZpEr5PIXhN7Cg0Gq2y4F9RFTRG5NswGCQbgDXyYtgWcFrid95BRWGXYiIe27veD9Brs Linear equations word problems: volcano Sal finds the y-intercept and the slope of a linear relationship representing someone climbing a volcano. He then interprets what the y-intercept and the slope mean in that context. https://cdn.kastatic.org/ka-youtube-converted/eLUmpX_h9sw.mp4/eLUmpX_h9sw.mp4 358 Linear models https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/v/slope-example 2021-06-30T18:10:16Z Linear equations word problems: earnings Sal finds the slope of a linear relationship between the number of work hours and the money earned. He then interprets what this slope means in that context. Sal Khan video https://cdn.kastatic.org/googleusercontent/zwVERuDRmAoSRDXIv1tcn3bgaJU3-G7USrVlMSxZBeiFdpGalm9RmV-wTuHRR1lBKugLDdWH8sQw0SKmoJdy4CIF Linear equations word problems: earnings Sal finds the slope of a linear relationship between the number of work hours and the money earned. He then interprets what this slope means in that context. https://cdn.kastatic.org/ka-youtube-converted/jTCZfMMcHBo.mp4/jTCZfMMcHBo.mp4 243 Linear models https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/v/exploring-linear-relationships 2021-06-30T18:10:16Z Modeling with linear equations: snow Sal uses a linear equation to model the amount of snow on the ground. Sal Khan video https://cdn.kastatic.org/googleusercontent/nCxlTyAV0mhy06TQ_MLrKFiq9rB9EeLXk1oouf9JknSU93wRRtQYq297MPkE7pf9u57vlJIxpsaZHDWt0eTkDOXH Modeling with linear equations: snow Sal uses a linear equation to model the amount of snow on the ground. https://cdn.kastatic.org/ka-youtube-converted/qPx7i1jwXX4.mp4/qPx7i1jwXX4.mp4 298 Linear models https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:linear-equations-graphs/x2f8bb11595b61c86:applying-intercepts-and-slope/e/interpreting-linear-graphs 2026-05-04T16:10:46.51963925Z Linear equations word problems: graphs Solve word problems about real world relationships that are given in graphs. Tomer Gal exercise https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/e/linear-equations-word-problems 2026-05-04T16:10:46.51963925Z Linear equations word problems Solve word problems about real world relationships that are given in formulas. Lindsay exercise https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/v/application-problem-with-graph 2021-06-30T18:10:08Z Linear function example: spending money Sal solves an interesting application problem using a linear model. Sal Khan video https://cdn.kastatic.org/googleusercontent/N7JFfH1g-3yskAzS6tV48mRG4Z7rtWdlioieZ8pE5NTpX5JebiMh_pqh3JeA7J-rRYK8lWs0T19KL1DjOpUZq0li Linear function example: spending money Sal solves an interesting application problem using a linear model. https://cdn.kastatic.org/ka-youtube-converted/ljROszF_rqs.mp4/ljROszF_rqs.mp4 322 Linear models https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/e/constructing-and-interpreting-linear-functions 2026-05-04T16:10:46.51963925Z Linear models word problems Solve general word problems about real-world relationships that can be modeled by linear equations or functions. Tomer Gal exercise https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-linear-equations-functions/8th-linear-functions-modeling/v/fitting-a-line-to-data 2021-06-30T18:10:16Z Fitting a line to data Sal creates a scatter plot and then fits a line to data on the median California family income. Sal Khan video https://cdn.kastatic.org/googleusercontent/umfhrVAa5_2sNFz-spX-mvqiT_ydf6-8lye5ZyaEx4tkKfdT2mqBdvrZcdcBYy5mNjo_aq5LgnT0k87oYEOR5P-RBA Fitting a line to data Sal creates a scatter plot and then fits a line to data on the median California family income. https://cdn.kastatic.org/ka-youtube-converted/OhUkMQtBGmE.mp4/OhUkMQtBGmE.mp4 468 Linear models