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What equations are helpful in GCSE further maths?
Quadratic, simultaneous and straight line equations
What is function as equations in two variables?
Straight line equations have two variables in the form of x and y
Who discovered equations of a straight line?
The French mathematician Rene Descartes
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.
Why are linear equations called linear equations?
Because, if plotted on a Cartesian plane, all solutions to the equation would lie on a straight line.
What are the slope and yintercept of line 5x 10y 15?
Without the inclusion of an equality sign and not knowing the plus or minus values of the given terms it can't be considered to be a straight line equation
What equations are helpful in GCSE further maths?
Quadratic, simultaneous and straight line equations
Why can all linear equations that describe functions be written in point slope form?
Because a linear equation is, by definition, a straight line. Any line can be defined by selecting any one point on the line and the slope of the line.
What is function as equations in two variables?
Straight line equations have two variables in the form of x and y
Who discovered equations of a straight line?
The French mathematician Rene Descartes
Why is linear equations called linear equations?
Because its linear and the equation is a problem to solve
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.
Why are linear equations called linear equations?
Because, if plotted on a Cartesian plane, all solutions to the equation would lie on a straight line.
Describe the graph of a linear equation?
It is a straight line.
Do graphs represent equations?
Bar graphs and line graphs do not. Straight line, parabolic, and hyperbolic graphs are graphs of an equation.
Can graphs be written as a equation?
Yes as for example straight line equations can be plotted on the Cartesian plane
What is the name of an equation that shows hoe one variable is related to one or more variables?
You maybe thinking of straight line equations or simultaneous equations
