IGCSE /Grade 10
Maths MCQ Based On Solving simultaneous equations using substitution
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IGCSE Grade 10 Maths Solving simultaneous equations using substitution
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Solve one equation for one variable in terms of the other variable.
Substitute the expression from step 1 into the other equation.
Solve the resulting equation for the remaining variable.
Substitute the found value back into either of the original equations to find the value of the other variable.
Write the solution as an ordered pair (x, y).
Isolate x from one equation and out in another equation.
Set the two equations equal to each other and solve for x in terms of p.
Find the value of x from one equation and put it in another equation.
Isolate x from the first equation and put it in the second equation.
Try solving equation (2) first for y and then substitute it into equation (1).
To determine the value of k that makes the system inconsistent, we need to find a situation where the lines represented by the equations are parallel and do not intersect.
To compare the slopes of the two equations, we can rewrite them in slope-intercept form (y = mx + b), where m represents the slope:
Isolate x from the first equation and put it in the second equation.
A negative exponent indicates taking the reciprocal of the base raised to the positive exponent.
Extract the value of x from one equation and put it in another.
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