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What is the slope and y-intercept of 7 x plus 3 y equals 21?
7x+3y=21 3y=21-7x y=7-(7/3)x on comparing with d eqn for a st line y=mx+c where m= slope and c=y intercept here m=(-7/3) n c=7
What is the solution of this linear system 4x plus y-1 y-2x plus 3 A -2 7 B -2 -7 C 2 7 D 2 -7?
The solution to the liner system 4x plus y-1 y-2x plus 3 A -2 7 B -2 -7 C 2 7 D 2 -7 is 0. This is how the problem is solved 4*x*plus*y-1*y-2*x*plus*3*A -2*7*B -2 -7*C*2*7*D*2 -7=0. The asterisk * is a sign for multiplication.
Write the equation in slope-intercept form of the line that has a slope of -3 and contains the point 4 -5?
Use the formula: y - y1 = m(x - x1) y = -3x +7 Alternatively, from the problem statement, the equation must have the form y = -3x + c, where c is a temporarily unknown constant. From the second part of the problem statement, -5 = (-3)(4) + c, or - 5 = -12 + c, or c = 12 - 5 = 7. Therefore the required equation is y = -3x + 7, -3 is the slope, and 7 is the y-intercept.
What is the slope of -2x-y equals 7?
-9
What 7 letter word that starts with C and ends with Y?
CHARITY
Find and equation of the line containing the given pairs -3 -7and -9 -5?
y = -x/3 - 8 Using the standard equation for a straight line , y = mx + c Then -7 = -3m + c, therefore 3m = c + 7 : multiplying by 3 leads to 9m = 3c + 21 and -5 = -9m + c, therefore 9m = c + 5 As 9m = 3c + 21 = c + 5, then 2c = -16, thus c = -8 Substituting for c in (say) the equation 3m = c + 7 gives 3m = -8 + 7 = -1, then m = -1/3. Then y = mx + c becomes y = -x/3 - 8.
What equations correctly describe a line with a y intercept of 7?
The equation of a straight line in slope intercept form is y = mx + c, where y is the y coordinate of any point, x is the x coordinate of that point, m is the slope and c is the y intercept. Therefore, the equations that correctly describe a line with a y intercept of 7 would be: y = mx + 7. The individual slope would then have to be substituted into this equation.
What is the y intercept of a line -2x-7y equals -2?
This form. Y = mX + c- 2X - 7Y = - 2- 7Y = 2X - 2Y = (- 2/7)X + 2/7==============Y intercept = 2/7----------------------
What is the slope of the line perpendicular to the line y equals 5x plus 7?
y = 5X + 7 is of the form y = m1x + c Here m = 5 If we want a line perpendicular to this, then its equation would be y = m2x + c, such that m1m2 = -1 We have m1 = 5. Hence m2 = -1/5
What is 7C in the R?
This would be a Diffney for: 7 colors of the rainbow
What is the slope of 3y-x equals 7?
-4
What is the algebraic expression of a quotient of a number Y and seven?
y divided by 7 is y/7 7 divided by y is 7/y
