Search for tag: "multiplies"

Solving a rational equation that simplifies to quadratic: Proportional form, advanced

This shows how to use the LCD of the two fractions that form a proportion to simplify the equation to a quadratic equation, then solve the quadratic by factoring and check the validity of the …

From  Tom Grant 10 plays 0  

Solving a radical equation that simplifies to a quadratic equation: One radical, advanced

Describes how to approach solving a radical eqaution, then demonstrates the stepss needed. It finishes with a check of the answers, stressing that this is an essential step.

From  Tom Grant 13 plays 0  

Rational exponents: Non-unit fraction exponent with a whole number base

Two examples of how to apply a fractional exponent to a whole number base.

From  Tom Grant 24 plays 0  

Rational exponents: Unit fraction exponents and bases involving signs

Two examples of how to deal with fractional exponents on negative numbers.

From  Tom Grant 9 plays 0  

Simplifying a ratio of polynomials: Problem type 2

A second look at factoring the top and bottom of a fraction in algebra that then reduces that fraction.

From  Tom Grant 15 plays 0  

Simplifying a ratio of polynomials: Problem type 1

This shows how to factor the numerator and denominator of a fraction in algebra so that we can reduce the same factors ono the top and the bottom because they divide to one.

From  Tom Grant 10 plays 0  

Finding the roots of a quadratic equation needing simplification

This demonstrates how some quadratic equations need to be simplified and put in standard form before the quadratic expression can be factored so the factors can be set to zero and solved.

From  Tom Grant 11 plays 0  

Finding the roots of a quadratic equation with leading coefficiant 1

This applies the factoring methods learned previously to solving a quadratic equation in standard form, that is with all th eterms on the left of the equals sign and 0 on the right

From  Tom Grant 16 plays 0  

Multiplying a multivariate polynomial by a monomial

Demonstrates how to multiply a single term by an expression with more than one term but containied in parentheses. using distribution.

From  Tom Grant 21 plays 0  

Classifying slopes given graphs of lines

Shows how to identify the four different categories for slopes of straight line graphs

From  Tom Grant 32 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  

Signed fraction addition or subtraction: Basic

Three quick demos, two subtractions and an addition which need adjusting first to create a common denominator

From  Tom Grant 32 plays 0  

Division involving zero

A quick lesson on what happens in a division problem that includes zero as one of the numbers

From  Tom Grant 16 plays 0  

Greatest common factor of 2 numbers

From  Tom Grant 23 plays 0