Page 658 - Algebra 1

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Justify Show that the vertex of y = 4x2 - 24x + 9 is (3, -27). Multiple Choice Which function has the vertex (6, -160)?
A y=6x2 -72x+56 B y=2x2 -8x+48 C y=3x2 +42x-12 D y=5x2 -5x+43
Diving A diver moves upward with an initial velocity of 10 feet per second. How high will he be 0.5 seconds after diving from a 6-foot platform? Use h=-16t2 +vt+s. _3 _5x
MultipleChoice Find the LCD of 2x - 10 and 2x2 - 4x - 30. A 2(x-5)(x+3) B (_x-5)(_x+3)
2
C (x+5)(x-3) D (x-5)(x+3)
Geometry One side of a triangle is _2
x + 2
Find the perimeter of the triangle.
yards and two sides are each _-5 3x + 6
yards.
Measurement Carrie mea_ 4x - 5
_2 3x
yards and Jessie measured a distance of x2 - 4 yards. How much longer is Carrie’s
3 4
sured a distance of
measurement than Jessie’s?
Banking The dollar amount in a student’s banking account is represented by the
absolute-value inequality |x - 200| ≤ 110. Solve the inequality and graph the solution.
Generalize Why is a place holder needed for missing variables in a polynomial dividend?
A 2x - 1 B 2x + 1 C x - 2 D x2 - 3 2x 5x
9x - 18
Multiple Choice Simplify (-5x + 2x2 - 3) ÷ (x - 3). __
Physics A family is going to see friends that live in two different towns. They will have to travel 100 miles plus or minus 10 miles to see either of them. They want to spend 2 hours in the car. What are the minimum and maximum rates that they need to go?
Error Analysis Two students graph the solution to the equation |2x + 10| = 8. Which student is correct? Explain the error.
Student A
{-9, -1}
-10 -8 -6 -4 -2 0
Student B
{-9, -1}
-10 -8 -6 -4 -2 0
Art Jeremy’s picture frame has an area of x2 - 18x + 80 square inches. He has two square pictures in it, one measuring _1 x inch on each side and the other
_1 4
measuring 2 x inch on each side. Write a simplified expression for the total fraction
of the frame covered by pictures.
Lesson 96 643