# Search for tag: "halves"

#### Solving rational equations that simplify to quadratic: Binomial denominators & numerators

A The key to solving this kind of equation is multiplying through by the least common denominator to eliminate the fractions first, Then it is a matter of combining like terms on one side of the…

From  Tom Grant 58 plays 0

Two examples are shown here, one relatively easy, then one with some fractions involved.

From  Tom Grant 4 plays 0

#### Identifying parallel and perpendicular lines from equations

This shows how to transform all given equation that are not in slope-intercept form and then pick out the slopes of all three given lines and compare them to see if they are parallel, perpendicular…

From  Tom Grant 13 plays 0

#### Writing an equation and graphing a line given its slope and y-intercept

The informaton given here can be entered directly into the y = mx + b or slope-intercept form. Then the y-intercept is used as a starting point where you apply rise over run to the given slope to…

From  Tom Grant 6 plays 0

#### Solving a rational equation that simplifies to quadratic: Binomial denominators, constant numerators

Here we solve a rational equation by multiplying each of the terms in the equation by the LCD of all of the fractions. This allows us to divide to one all of the factors in the denominators and the…

From  Tom Grant 10 plays 0

#### Solving a rational equation that simplifies to linear: Unlike binomial denominators

Shows how to find a common denominator to use as a multiplier for each term in a rational equation (an equation with fractions) to then eliminate the denotminators and the result will be a more…

From  Tom Grant 23 plays 0

#### Complex fractions without variables: Problem Type 1

Demonstrates simplifying fractionis within fractions.

From  Tom Grant 29 plays 0

#### Solving a word problem using a system of linear equations of the form Ax + By = C

Talks about how to interpret the words to create two equations, then solves them together using the elimination method, making opposites of one variable's terms sot that the equations can be…

From  Tom Grant 19 plays 0

#### Graphing a parabola of the form y=ax^2

Demonstrates how to make t his graph per instructions, and also shows how to deal with a fractional leading coefficient.

From  Tom Grant 13 plays 0

#### Finding the slope and y-intercept of a line given its equation in the form Ax + By = C

Demonstrates how to solve a standard form equation for y to get the slope-intercept form y = mx + b

From  Tom Grant 69 plays 0

#### Finding x- and y-intercepts of a line given the equation: Advanced

A second video describing how to find x- and y-intercepts.

From  Tom Grant 16 plays 0

#### Evaluating a linear expression: Signed fraction multiplication with addition or subtraction

Evaluating a variable expression when you know specific number values for each varible.

From  Tom Grant 26 plays 0

#### Signed fraction division

A couple of examples that combine sign combinations for diviision and using Keep/Change/Flip to convert fractioinal division to multiplication.

From  Tom Grant 13 plays 0

#### Signed fraction subtraction involving double negation

Some examples of what to do when subtracting a negative number and more examples of adding or subtracting fractions

From  Tom Grant 16 plays 0

#### Plotting rational numbers on a number line

Just showing how to locate different fractions on a number l ine

From  Tom Grant 31 plays 0