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Robert

Public contributions from visitors who posted under the name Robert.

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The midpoint of is M(2, 7). One endpoint is K(–5, 11). Which equations can be used to find the coordinates of endpoint L?
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Find the coordinates of M, the midpoint of , for U(–4, 2) and V(6, 10). M(–5, –4) M(–1, 8) M(1, 6) M(2, 12)
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Your classmate is unsure about how to use side lengths to determine the type of triangle. How would you explain this to your classmate?
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You can determine the type of triangle by comparing the squares of its side lengths. If a 2 +b 2 =c 2 , it is a right triangle; if a 2 +b 2 >c 2 , it is acute; and if a 2 +b 2 <c 2 , it is obtuse.
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Triangles A B C and J K L are shown. The length of side A is 4, the length of side B is 3, and the length of side C is 5. The length of side J is 3, the length of side K is 4, and the length of side L is 3. Use the drop-...
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Listen to the audio and then answer the following question. Feel free to listen to the audio as many times as necessary before answering the question. Where is the speaker? en un restaurante en la casa en una oficina en...
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Listen to the audio and then answer the following question. Feel free to listen to the audio as many times as necessary before answering the question. ¿Conoce Francisco a Gilberto? No, no lo conoce. No, Francisco no sabe...
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In this morning’s paper María saw an advertisement for a store that has just opened in Santiago. According to the list below which one of the following items would María NOT expect to find at this store? maternity clothi...
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The coordinates of midpoint M and endpoint E of a segment are M(35, –3) and E(15, 26). Students were asked to find two equations that could be used to find the coordinates of the other endpoint, F(x2, y2). Josiah set up...
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n a right triangle, the hypotenuse has endpoints P(–3, 2) and Q(1, –3). On a coordinate plane, line P Q has points (negative 3, 2) and (1, negative 3). If R represents the third vertex in the triangle and R is located in...
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n a right triangle, the hypotenuse has endpoints P(–3, 2) and Q(1, –3). On a coordinate plane, line P Q has points (negative 3, 2) and (1, negative 3). If R represents the third vertex in the triangle and R is located in...
1 answer
What is the length of segment GH? On a coordinate plane, line G H has points (0, negative 3), (8, 1). StartRoot 48 EndRoot units 8 units StartRoot 80 EndRoot units 12 units
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Kendra is determining the distance between the points (6, 8) and (2, –3). Her work is shown below. Step 1: d = StartRoot (6 minus 2) squared + (8 minus 3) squared EndRoot Step 2: d = StartRoot (4) squared + (5) squared E...
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Which expression represents the distance between the points (a, 0) and (0, 5) on a coordinate grid? StartRoot a squared + 5 EndRoot StartRoot a squared + 25 EndRoot StartRoot (a minus 25) squared EndRoot StartRoot (a min...
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What is the length of segment XY? On a coordinate plane, line X Y has points (negative 4, 0) and (3, 2). 4.5 units StartRoot 45 EndRoot units StartRoot 53 EndRoot units 9 units
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Which expression represents the distance between point (0, a) and point (a, 0) on a coordinate grid? StartRoot 2 a squared EndRoot StartRoot a Superscript 4 Baseline EndRoot StartRoot 2 a Superscript 4 Baseline EndRoot 0
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Segment KJ shown below is the hypotenuse of isosceles right triangle JLK. On a coordinate plane, triangle J L K has points (2, 4), (5, 1), (2, negative 2). What is the length of one of the congruent legs of JLK? 3 StartR...
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What is the distance between the points (7, 8) and (–8, 0) on a coordinate grid?
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What is the distance between (–6, 2) and (8, 10) on a coordinate grid? StartRoot 60 EndRoot StartRoot 68 EndRoot StartRoot 162 EndRoot StartRoot 260 EndRoot
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When graphed on a coordinate plane Beth’s house is located at (4, 3) and the coffee shop is located at the point (–2, –1). What is the distance from Beth’s house to the coffee shop? Each grid line on the coordinate plane...
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Two students are using the distance formula to determine the distance between (9, 4) and (–3, 8) on a coordinate grid. Their work is shown below. Karlin’s Work d = StartRoot (9 minus (negative 3)) squared + (4 minus 8) s...
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The hypotenuse of right triangle ABC is represented by segment AB, as shown on the graph. On a coordinate plane, line A B has points (negative 3, negative 4) and (5, 3). At which point could point C be located? (–3, 3) (...
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What is the length of segment AC? On a coordinate plane, line A C has points (3, negative 1) and (negative 5, 5).
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In a right triangle, the hypotenuse has endpoints XY, shown on the graph. On a coordinate plane, line X Y has points (negative 4, 2), (negative 1, negative 3). If Z represents the third vertex in the triangle and is loca...
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The new location for a park needs to be exactly 5 miles from the school. When plotted on the coordinate plane, the school is located at (3, 3). Use the Pythagorean theorem to determine two possible locations on the coord...
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