7.1-7.5 QUIZ: Multiplying and Factoring Polynomials
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Last updated almost 2 years ago
11 questions
Multiplying & Factoring Polynomials
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Extra Credit!
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Question 1
1.
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: _______
Question 2
2.
Multiply, then subtract the polynomials.
Question 3
3.
Factor out the greatest common factor of each expression.
a. 50x-80y
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b. 6ab-36a2b3
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Question 4
4.
Factor each of the following differences of squares completely.
a. 25w2-16z2
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b. f2-100
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Question 5
5.
Factor each trinomial.
a. x2 + 11x + 24
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b. a2 + 3a + 2
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Question 6
6.
Factor each trinomial.
a. c2 + 2c – 35
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b. z2 + 9z – 36
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Question 7
7.
Factor each trinomial.
a. x2 – 5x + 6
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b. x2 – 14x + 49
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Question 8
8.
Factor each polynomial fully.
a. 4x2 + 20x + 24
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b. 9x2 + 90x – 99
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Question 9
9.
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): _______
Question 10
10.
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.
Click the graph tab.
Click on the graph background to add a point. Add two points to create a graph. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
Question 11
11.
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.
The proportion of boys who preferred C is equal to the proportion of girls who preferred C