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krok68 [10]
3 years ago
12

Write the equation of a line that passes through points 1, 1 and -2, 10

Mathematics
2 answers:
zloy xaker [14]3 years ago
7 0
Slope = (10 - 1)/(-2-1) = 9/-3 = -3

pass thru (1,1)
y = mx + b
1 = -3(1) + b 
1 + 3 = b
so b = 4

equation: y = -3x + 4
TEA [102]3 years ago
6 0
Y= -3+4
 
  
slope= -3
y int= 4
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2 years ago
What is the solution to StartFraction 5 over 6 EndFraction x minus one-third greater-than 1 and one-third?
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\dfrac{5}{6} x - \dfrac{1}{3} > 1\dfrac{1}{3}

An inequality compares two quantities unlike an equality. An inequality is written with either a greater than ( > ) or lower than ( < ) or greater than equal to ( \geq ) or less than equal to ( \leq ) signs. We solve the above given inequality to find the solutions of the unknown x.

\dfrac{5}{6} x - \dfrac{1}{3} > 1\dfrac{1}{3} \\\dfrac{5}{6} x - \dfrac{1}{3} > \dfrac{4}{3} \\\dfrac{5}{6} x > \dfrac{1}{3} + \dfrac{4}{3} \\\dfrac{5}{6} x > \dfrac{5}{3}\\x > 2

Firstly we change the right hand side quantity to fraction.

We then transfer the - \frac{1}{3} to the right hand side and add them. The inequality sign does not change as we are simply adding or subtracting terms from both the ends.

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