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What is y intercept for y equals 4x -9?
13
What is the equation of the line containing the points (0, 0), (-3, -9), and (9, 27)?
you should know this Find the difference of the y values over the difference in your x values to find the slope. Put it into the slope intercept form of the equation with one of the points substituted in and find the intercept. Rewrite the equation with the slope and the intercept. (-9-0)/(-3-0)=-9/-3=3 The slope. 27=3(9)+b 27=27+b 0=b Equation-> y=3x
What is 9 less than b?
To find 9 less than a number b, you would subtract 9 from b. Mathematically, this would be represented as b - 9. For example, if b = 15, then 9 less than b would be 15 - 9, which equals 6.
Find the equation of the line below Arrange your answer in the form y mx b where b is the constant?
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Find the digits of a two digit number whose sum is 7 and the number increases by nine when the digits are transposed?
The number is 34 a + b = 7 a = 7 − b 10a + b + 9 = 10b + a 10(7 − b) + b + 9 = 10b + 7 − b 70 − 10b + b + 9 = 9b + 7 72 = 18b 4 = b 3 = a
