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 2 years ago
*help requested*
*fan and medal awarded*
Simplify 3x + 9 over 3
3x + 3
x + 3
x + 9
x
What is the equation of the line that passes through the points (2, 3) and (2, 7)?
x  y = 1
x  y = 2
x  y =  5
x  y =  6
Evaluate: 18 + 4 ÷ 2  8
2
8
12
3
 2 years ago
*help requested* *fan and medal awarded* Simplify 3x + 9 over 3 3x + 3 x + 3 x + 9 x What is the equation of the line that passes through the points (2, 3) and (2, 7)? x  y = 1 x  y = 2 x  y =  5 x  y =  6 Evaluate: 18 + 4 ÷ 2  8 2 8 12 3

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Josuelito
 2 years ago
Best ResponseYou've already chosen the best response.0ummm the last one is 3, im still trying to find out the others

jazy
 2 years ago
Best ResponseYou've already chosen the best response.1Divide each term separately\[\frac{ 3x + 9 }{ 3 }\]\[\frac{ 3x }{ 3 } = x\]\[\frac{ 9 }{ 3 } = 3\] x + 3

jazy
 2 years ago
Best ResponseYou've already chosen the best response.12) PointSlope form. y  y1 = m(x  x1) Find slope. (2, 3) and (2, 7) \[m =\frac{ y2  y1 }{ x2  x1 }\]\[m = \frac{ 7  3 }{ 2 (2) } = \frac{ 7  3 }{ 2 + 2 } = \frac{ 4 }{ 4 } = 1\]Slope(m): 1 Point: (2, 3) y  3 = 1(x  (2)) y  3 = 1(x + 2) Change to Slopeintercept form. y = mx + b Distribute. y  3 = x + 2 Add 3. y = x + 5 Change to standard form. Ax + By = C 'A' cannot be a negative or a fraction. y = x + 5 Subtract x from both sides. x + y = 5 Multiply everything by 1. \[1(x + y = 5)\] x  y = 5 < Your answer. (:

jazy
 2 years ago
Best ResponseYou've already chosen the best response.13) Use the order of operations: PEMDAS.  Parenthesis  Exponents  Multiplication/ Division  Addition/ Subtraction 18 + 4 ÷ 2  8 Divide 4 by 2. 18 + (4 ÷ 2)  8 18 + 2  8 Add 18 and 2. 20  8 Subtract and Solve (:
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