7.1-7.5 QUIZ: Multiplying and Factoring Polynomials

Posljednje ažuriranje about 2 years ago

Multiplying & Factoring Polynomials

Extra Credit!

7.1-7.5 QUIZ: Multiplying and Factoring Polynomials

Posljednje ažuriranje about 2 years ago

Multiplying & Factoring Polynomials

A rectangle with positive area has length represented by the expression 4a²+7a-2 and width by 2a²+3a. Write expressions in terms of a for the perimeter and area of the rectangle. Give your answers in standard polynomial form and show your work.

Perimeter:

Area:

Multiply, then subtract the polynomials.

Factor out the greatest common factor of each expression.

a. 50x-80y

b. 6ab-36a²b³

Factor each of the following differences of squares completely.

a. 25w²-16z²

b. f²-100

Factor each trinomial.

a. x² + 11x + 24

b. a² + 3a + 2

Factor each trinomial.

a. c² + 2c – 35

b. z² + 9z – 36

Factor each trinomial.

a. x² – 5x + 6

b. x² – 14x + 49

Factor each polynomial fully.

a. 4x² + 20x + 24

b. 9x²+ 90x – 99

Find the length and width of a rectangle whose area can be represented by the expression (w²-25)in².

Length (longer side):

Width (shorter side):

Extra Credit!

Extra Credit
Graph the equation 6x+4y=12 on the xy-coordinate plane.
Identify the x-intercept of the graph and the y-intercept of the graph.

Instrukcije

Kliknite na karticu Grafikon (Grafikon 1, Grafikon 2 i tako dalje) za svaki grafikon koji trebate nacrtati.
Kliknite na pozadinu grafikona da biste dodali tačku. Dodajte dvije tačke da biste kreirali grafikon. Prevucite tačku ili unesite x i y koordinate da biste uredili njen položaj. Kliknite na tačku da biste je izbrisali.
Nakon što kreirate grafikon, možete označiti kućicu s isprekidanom linijom.

EXTRA CREDIT!
A random sample of 200 teenagers participated in a taste test. Each teenager sampled four choices of fruit drink (labeled A, B, C and D), and then were asked to pick a favorite. The table shows the results of this taste test.
Based on the information given, which of the given statements are true?
Select all that apply.

70% of the participants preferred A

The proportion of boys who preferred C is equal to the proportion of girls who preferred C

40% of participants were girls

7.1-7.5 QUIZ: Multiplying and Factoring Polynomials

7.1-7.5 QUIZ: Multiplying and Factoring Polynomials

Multiply, then subtract the polynomials.

Extra CreditGraph the equation 6x+4y=12 on the xy-coordinate plane.Identify the x-intercept of the graph and the y-intercept of the graph.

Multiply, then subtract the polynomials.

Extra CreditGraph the equation 6x+4y=12 on the xy-coordinate plane.Identify the x-intercept of the graph and the y-intercept of the graph.

Extra Credit
Graph the equation 6x+4y=12 on the xy-coordinate plane.
Identify the x-intercept of the graph and the y-intercept of the graph.

Extra Credit
Graph the equation 6x+4y=12 on the xy-coordinate plane.
Identify the x-intercept of the graph and the y-intercept of the graph.