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Solving systems by elimination method X plus y equals 2 and 2x plus 7y equals 9?
Double first equation: 2x + 2y = 4 Subtract this from second equation giving 5y = 5 so y = 1 and x = 1
What is the linear equation of y equals 2x plus 1?
y = 2x + 1 IS a linear equation!
What is the solution to x2 plus 10x plus 1 equals -12 plus 2x?
x2+10x+1 = -12+2x x2+10x-2x+1+12 = 0 x2+8x+13 = 0 Solving by using the quadratic equation formula: x = - 4 - or + the square root of 3
Is -2x squared plus 2x plus 1 equals 9 a quadratic equation?
Yes it is. The thing that makes it a quadratic equation is that "x squared" in there.
2x plus 36 4?
The value of X in the equation 2x plus 36 = 4 is -16.
Without solving the equation determine the nature of the roots of 2x 2 plus 3x plus 9 0?
With a negative discriminant, the two solutions are imaginary.
2x plus 3y equal 40 -2x plus 2y equal 20?
2x+3y=40-2x+2y=20Since 2x does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 2x from both sides.3y=-2xDivide each term in the equation by 3.(3y)/(3)=-(2x)/(3)Simplify the left-hand side of the equation by canceling the common terms.y=-(2x)/(3)if you were solving for x It would be x=-(3y)/2
What is the slope of the line y plus 2x equals - 1?
In order to find slope, the equation must be in the form y = mx + b, with m being the slope. The original equation is y + 2x = -1 Solving for y makes the equation: y = -2x - 1 Therefore, the slope is -2
Solving systems by elimination method X plus y equals 2 and 2x plus 7y equals 9?
Double first equation: 2x + 2y = 4 Subtract this from second equation giving 5y = 5 so y = 1 and x = 1
What is the linear equation of y equals 2x plus 1?
y = 2x + 1 IS a linear equation!
What is the solution to x2 plus 10x plus 1 equals -12 plus 2x?
x2+10x+1 = -12+2x x2+10x-2x+1+12 = 0 x2+8x+13 = 0 Solving by using the quadratic equation formula: x = - 4 - or + the square root of 3
-2X plus 3Y equals 8?
Solving equations in two unknowns requires two independent equations. Since you have only one equation there is no solution.
Is 2x plus 3 plus 0 a linear equation?
for something to be an equation it has to be equal to something.2x+3=0 would be a linear equation (with x=-1.5) 2x+3+0 is just a series of terms.
Is -2x squared plus 2x plus 1 equals 9 a quadratic equation?
Yes it is. The thing that makes it a quadratic equation is that "x squared" in there.
How do you solve 2x plus 2?
The solution to the equation 2x plus 2 is 2(x + 1).
2x plus 36 4?
The value of X in the equation 2x plus 36 = 4 is -16.
What is the solution set for the equation 2x plus 4?
2x + 4 is an expression, not an equation. There can be no solution set for an expression.
