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x = b/(a + c)
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∙ 7y ago
Li Jay
Li Jay
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Shanon Bosco
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What is a times x minus b equals c for x?
ax - b = cAdd 'b' to each side:ax = b + cDivide each side by 'a':x = (b + c) / a
What kind of equation is ax plus b equals 0 in?
A linear equation.
What does b equal in 2b minus b minus 10 equals negative 13?
Taking it step by step: 2b - b - 10 = -13 b - 10 = -13 b = -13 + 10 b = - 3
What is B called in the matrix representation of a system of linear equations when written as AX equals B?
A = coefficient matrix (n x n) B = constant matrix (n x 1)
What is the discriminate in a quadratic formula?
it's the bit in the square root sqrt of (b squared minus 4ac) when a,b and c are the values belonging to the equation ax(sqared) plus bx plus c
If x is between a and c how are ax and ac related?
If a,b, and c are positive a < x < b means ax < cx If a,b , and c are negative a < x < b means ax > cx
What is x as the subject what equation ax plus b equals cx plus d?
x = (d-a)/(a-c)
What is a times x minus b equals c for x?
ax - b = cAdd 'b' to each side:ax = b + cDivide each side by 'a':x = (b + c) / a
If a equals 3 and bequals minus 5 then a minus b equals?
If a equals 3 and b equals minus 5 then a minus b equals what
Ax plus b equals bx plus c then x equals?
Ax + B = Bx + C Ax - Bx = (C - B) x (A - B) = (C - B) x = (C - B) / (A - B)
Solve the equation ax-b equals c for x?
ax - b = c ax = b + c x = (b + c)/a
What is the compound sentence of abs value ax plus b equals 15?
ax + b = 15 or ax + b = -15
What is y intercept for y equals 4x -9?
13
If a minus b equals c then what does b minus a equals?
a - b = c -(a - b) = -c b - a = -c
What can you say about the graph Ax plus By equals C about the graph Ax plus By equals C?
It is a straight line with gradient -A/B and intercept C/B.
General form for hyperbolas?
The most general form is (ax - b)*(cx - d) = k where a, b, c, d and k are constants.
If x2 - 13x plus 42 equals x plus Ax plus B then A plus B equals?
2x - 13x + 42 = x +ax + b a + b = 2(x - 6.5x + 21) = 34 = a + b
