8th Grade
Pre-Algebra
End of
Year
Review
100
sqrt(18) can be estimated to be between which 2 numbers?
4 and 5
100
Write an equivalent expression k^2*(k^3m^3)^0*m^10
k^2m^10
100
Is the relation a function? Explain.
(0,0), (2,0), (2,2), (3,4), and (6,6)
No, because two points have different y-values for the same x-value of 2.
100
A right triangle has side lengths of 15 inches and 18 inches. What is the length of the hypotenuse, in inches?
23.4 inches
Pythagorean Theorem:
a^2+b^2 = c^2
100
Figure A'B'C'D' is a dilation of figure ABCD. What is the scale factor?
The scale factor is 2.25.
200
sqrt(18) square root(3)(21)
>
Greater than
200
Solve (5.2x+4)(-3.6x)
-18.72x^2-14.4x
200
The high school holds an annual Powderpuff game to raise money. There is a $10 entry fee and the concession items are $3 each.
Write an equation in the form y=mx+b .
The equation is
y=3x+10
200
What is the m/_XWZ , in degrees?
m/_XWZ = 117.5^*
200
What type of association does the scatterplot show?
It shows a negative association/trend.
300
Solve
(3/12)^-2 * (2/8)^-2
256 or 16^2
300
The monomial for 12a^2c+15a^2c^3 is
3a^2c
300
What is the solution of the system of equations?
y=3x-1 and y=2x+1
(2,5)
300
What is m/_4 ?
m/_4 = 55^*
300
A coin is flipped 2 times. What is the sample space?
{HH, HT, TH, TT}
400
Write 60,000 in scientific notation.
6*10^4
400
Solve for x.
25.8x+20+5.4x=80+1.2x
x=2
400
How many solutions for the system of equations?
The system of equations has one solution. The lines intersect at one point.
400
How many degrees is the sum of the measures of the interior angles of a regular polygon with 20 sides?
3,240^
400
A quarter is tossed three times.
If you repeat this experiment 500 times, how many times do you predict that the quarter will land on the same side for all three flips?
The quarter will land on the same side 125 for all three flips.
500
Find (0.5*10^7)+(1.8*10^6) . Express the answer in scientific notation.
6.8*10^6
500
Solve and the inequality
-1/10x+1 2/5>= 1 7/10
-3
500
Joe hired an plumber. The equation y=40x+60 represents the cost in dollars, y , of hiring the plumber for x hours. Which statements are true?
A) The y-intercept means the initial cost is $40.
B) The slope means the cost increases $40 each hour.
C) The slope means the cost increases $60 each hour.
D) The y-intercept means the initial cost is $60.
The statements B and D are correct.
500
Describe a transformation that maps ABCD onto A'B'C'D'.
A translation maps ABCD onto A'B'C'D'.
500
Triangles DEF and XYZ are similar. What proportion can be used to find XY?
(EF)/(YZ)=(DE)/(XY)
(9.4)/(4.7)=(6.8)/(XY)
600
Solve
frac{3.3*10^-3}{5.5*10^9}
6*10^-13
600
Solve
x^2=10
x=+-sqrt(10)
600
What is an equation of the linear relationship in slope-intercept form?
y=-1/2x+2
600
What is the slope using points given in table?
The slope is -5.
600
I know I will score a 3, 4 or 5 on the Math FAST PM3 test on Thursday. (True or False)
TRUE!