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Obj. 2h - Systems
Obj. 4a - P / A / d = rt
Obj. 2h - Factoring
Obj. 2j - Prime Factors
Obj. 4c - Area Models
100
What is the value of y in the solution set of the system of linear equations shown below? y = -2x + 30 3x – 4y = 56
y = -2
100
Derrick went to visit his friend in Memphis. He drove at a constant rate of 65 miles per hour, and it took him 5 hours to arrive. Which is closest to the number of miles Derrick drove? (Note: d=rt)
d = 325 miles
100
What is the greatest common factor of 2r6st2 – 2r3s3t + 16r2s3t?
GCF = 2r2st
100
Which of the following binomials is not prime? A. x2 + 5x – 7 B. x2 + 3x – 5 C. x2 + 2x + 3 D. x2 + 4x + 4
D. x2 + 4x + 4
100
A rectangle has a width that is twice its length. Write an expression that represents the width.
w = 2l
200
At the supply store, 3 pencils and a notebook cost $3.47. Susie bought 5 pencils and 3 notebooks for $7.89. What was the cost of one pencil?
p = $0.63
200
The diameter of a circular rug is 2.6 inches. Which is closest to the area of the rug?
A = 5.31 square inches
200
What is the factored form of the expression below? x2 + 3x – 4
(x + 4) (x - 1)
200
Is the following polynomial prime over the rational numbers? Justify your answer. y2 – 18y – 19 F. It is prime because 19 is a prime number. G. It is prime because there are no common factors. H. It is not prime because there is a common factor of y. J. It is not prime because it is the product of two binomials.
J. It is not prime because it is the product of two binomials.
200
If the area of a rectangle is x2 + x - 6, what could represent the length and width of the rectangle?
Length (x + 3) : Width (x - 2) OR Length (x - 2) : Width (x + 3)
300
Which is the solution to this system of equations? y = -3x – 2 6x + 2y = -4
Infinitely many solutions
300
Which of the following could be used to determine P, the perimeter of the triangle shown below? S1 = 2y + 1 S2 = 3y - 2 S3 = y + 5
P = 6y + 4
300
What is the factored form of x2 – 4?
(x - 2) (x + 2)
300
Which of these is prime over the set of rational numbers?
A. x2 + 5x – 3 B. x2 – 9x + 8 C. x2 + 4x + 4 D. x2 + 3x – 4
300
A rectangle has area x2 – 6x + 8. Which expressions could represent the length and width of the rectangle?
Length: (x – 2) Width: (x – 4) OR Length: (x – 4) Width: (x – 2)
400
The length of a rectangle is equal to triple the width. Which system of equations can be used to find the dimensions of the rectangle if the perimeter is 85 centimeters?
l = 3w 2(l + w) = 85
400
Find the of a basketball court if the length is 6x + 9 and the width is 2x - 3.
A = l x w A = (6x + 9)(2x - 3) A =
400
Which of the following shows 9t2 + 12t + 4 factored completely?
(3t + 2)2
400
Which of the following could be used as justification that x^2 – 9x – 36 is not prime over the set of rational numbers? F. (x + 3) (x -12) G. (x -3) (x + 12) H. (x -3) (x - 12) J. (x -4) (x + 9)
F. (x + 3) (x -12)
400
QUADRUPLE JEOPARDY The courtyard at the city hall building is shaped like a square. The area of the courtyard can be represented by (9x2 - 24x + 16) square feet. Which expression represents the length, in feet, of one side of the courtyard?
s = (3x - 4)
500
How would you graph the solution to this system of inequalities? 2x ≥ y – 1 2x – 5y ≤ 10
1. Put both inequalities in slope-intercept form (y=mx + b). 2. Graph the first inequality starting from the y-intercept (+1) and rise/run (2/1) with a SOLID line and shade BELOW. 3. Graph the second inequality starting from the y-intercept (-2) and rise/run (2/5) with a SOLID line and shade ABOVE.
500
The length of a rectangle is 2 units greater than the width, w. What is the area of the rectangle?
w² + 2w
500
Jamond factored the polynomial 6x2 + 13x – 5 into the product of two polynomials. His answer was (3x + 1)(2x – 5). Describes Jamond's answer in one complete sentence.
Jamond's answer should have been (3x – 1)(2x + 5).
500
Ms. Chungl gave her students a list of trinomials to factor. Which of these can be factored into two binomials? F. x2 + 3x + 2 G. x2 + 4x + 5 H. x2 + 5x + 7 J. x2 + 6x + 10
F. x2 + 3x + 2
500
See Powerpoint for Question
(9x + 6) square inches