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Click and drag the labeled coordinate point to \( (-5,2) \) and use the m -slider to set a slope \( \mathrm{m}=7 \). Use the interactive figure to find your answer. Use the left and right arrow keys to move along a slider as needed. Click here to launch the interactive figure. Which of the following points is on the line? A. \( (-4,6) \) B. \( (5,-4) \) C. \( (-6,-5) \) D. \( (-4,5) \)

Ask by Huang Mann. in the United States
Feb 04,2025

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The point \( (-6, -5) \) lies on the line with a slope of 7 passing through \( (-5, 2) \).

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Beyond the Answer

To find which point is on the line with a slope of \( m = 7 \) and passing through \( (-5, 2) \), we use the point-slope form of a line: \[ y - y_1 = m(x - x_1) \] Substituting the coordinates and slope gives us: \[ y - 2 = 7(x + 5) \] Now, calculate for \( y \) when \( x \) is equal to each of the provided options to see which point satisfies the equation. Evaluating the points, we find that option A, \( (-4,6) \), satisfies the equation. Now, let's consider a related aspect. Each coordinate point represents a unique location on the Cartesian plane, and understanding how points relate to lines helps in visualizing mathematical concepts. The interplay of slopes and points is vital when graphing, making it easier to connect linear equations to real-world scenarios, like plotting a flight path or tracking a moving vehicle! Moreover, experimenting with different slopes and coordinates can be a great way to reinforce learning. Try swapping points or tweaking slopes; seeing how the line shifts can enhance your intuition about linear relationships. Don't forget to keep a journal of your findings for quick reference!

Related Questions

Exercice 5: 1. On considère l'algorithme ci-contre a. On entre 7 pour \( x_{\mathrm{B}} \) et 17 pour \( y_{\mathrm{B}} \). Quelle est la valeur affichée en sortie? \( \sqrt{(x B+1)^{2}+(y B-2)^{2}} \) Variables Entrée Traitement Sortie \( x_{\mathrm{B}}, y_{\mathrm{B}} \) et \( d \) sont des nombres reels Demander les valeurs de \( x_{8} \) et \( y_{B} \) Affecter à \( d \) la valeur \( \sqrt{\left(x_{\mathrm{B}}+1\right)^{2}+\left(y_{\mathrm{B}}-2\right)^{2}} \) Afficher \( d \) pour \( x B=7 \) et \( y B=17 \) cela donne 17 b. Quel est le rôle de cet algorithme ? 2. On se place dans un repère orthonormé et on considère le cercle \( (\mathcal{C}) \) de centre \( \mathrm{A}(-1 ; 2) \) et de rayon 5 . a. Le point \( E \) de coordonnées \( (7 ; 17) \) appartient-il au cercle ( \( \mathcal{C} \) ) ? b. Modifier l'algorithme précédent pour qu'il affiche «oui» si le point \( \mathrm{B}\left(x_{\mathrm{B}} ; y_{\mathrm{B}}\right) \) appartient au cercle ( \( \mathcal{C} \) ) et « non» si le point B n'appartient pas à ce cercle. Exercice 6: Un automobiliste roule d'abord à \( 90 \mathrm{~km} / \mathrm{h} \) pendant deux heures, puis roule à \( 120 \mathrm{~km} / \mathrm{h} \). On veut élaborer le programme d'une fonction retournant la distance qu'il a parcourue, en kilomètres, au bout d'un temps t exprimé en heures. 1. Calculer la distance parcourue dans chacun des cas suivants : a. \( \mathrm{t}=1,5 \mathrm{~h} \) b. \( \mathrm{t}=3,5 \mathrm{~h} \)
Geometry France Feb 04, 2025
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