Questions in mathematics

Questions in mathematics

[Done] Find the constant of variation for the direct variation given: 1. \(10y = 13x\) 2. \(f(x) = 4.5x\) 3. \(x + y = 0\)

[Done] How do you factor: [tex]n^2 - 5n + 6[/tex]?

[Done] True or False: The graphs of two different direct variations can be parallel. Explain your answer.

[Done] What is the point that lies on the graph of the equation \(10y = 3x - 11\)? A. (2, -0.5) B. (4, 1) C. (6, 16.3) D. (8, 23)

[Done] What is the reduced fraction of \(\frac{51}{75}\) in simplest form?

[Done] How do you solve this system of equations? 1. \(3x + y = 17\) 2. \(4x + 2y = 20\)

[Done] Which of the following have both 2 and -5 as solutions? A. [tex]x^2 + 3x - 10 = 0[/tex] B. [tex]x^2 - 3x - 10 = 0[/tex] C. [tex]x^2 + 7x + 10 = 0[/tex] D. [tex]x^2 - 7x + 10 = 0[/tex]

[Done] Find the slope of the line containing the points \((-1, 6)\) and \((2, 1)\).

[Done] Which two numbers add up to _ and multiply to _? 1. Multiply to -18, add to -17 2. Multiply to 36, add to -13 3. Multiply to -24, add to -5 4. Multiply to -18, add to 7 5. Multiply to -36, add to 9 6. Multiply to 24, add to 10 7. Multiply to 18, add to -9 8. Multiply to -36, add to -16

[Done] String A is 30 cm longer than string B. String B is 60 cm longer than string C. The total length of all 3 strings is 3 m. Find the length of string C.