Is (7, 9) a solution to the equation y = x?
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Straight line equation: 3x+4y-16 = 0 Perpendicular equation: 4x-3y-13 = 0 Point: (7, 5) Equations intersect: (4, 1) Perpendicular distance: square root of [(7-4)2+(5-1)2] = 5
The equation 3m - 3m - 7 = 0, simplifies to -7 = 0 this means that the the solution is no solution, since -7 doesn't equal 0.
1st equation: 5x +7y +29 = 0 or 5x +7y = -29 2nd equation: 11x -3y -65 = 0 or 11x -3y = 65 Times all terms in the 1st equation by 11: 55x +77y = -319 Times all terms in 2nd equation by 5: 55x -15y = 325 Subtract the 2nd equation from the 1st equation: 92y = -644 or y = -7 By means of substitution point of intersection is made at: (4, -7)
The exclamation point in a math equation symbolizes the factorial function. The factorial of an integer > 0 is the product of that integer and all of the integers between 1 and that integer. For instance 7! is 7 * 6 * 5 * 4 * 3 * 2 * 1, or 5040. The special case of 0! is defined as 1.