Download Algebra Sem Exam Review_ANSWER KEY_Part 1_ALG

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Name
Period 1 2 3
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14 Semester Exam Review - Part 1
Select the correct use of the
distributive property.
4. Determine the equation graphed
below.
A -5(x- 1) =-5x- 1
B 3(a+2)=3a-6
4(2y- 1) =-8y+4
D -3 (p + 8) =-3p- 16
,
Draw an example of each type of
slope:
Negative slope:
Positive slope:
!f
Zero slope'
6. What is the slope of the line in the
equation graphed below?
No slope or undefined slope:
//'
• ]r
.
Simplify the expression:
6 + (-15) - (-7)
q-d-7)
-q
\ £0Vÿ('>-- V p 'ÿ
.
Find the x and y-intercept of [he line
11. Draw the graph to represent the
f,
2x - 6y = 24
parent linear function.
......
ÿpL{-"ÿ
A
<<> 0
8. Solve forx: -5 =x+ (-7)
-5-y.- J
+7
ÿ/7
Write the equation of the linear parent
function:
o_X
1
9. The alopc) of a line is --ÿ and ¢onÿaina t,,he
ÿ ÿ y
12. Simplify" ÿ+ÿ4n ÿ+___n <m']
poi'#ÿ (-0,5), Wÿto t]lÿ llneai' eqtmt.ion in
--,%
A ÿ-ÿ,,- ÿ+G>
-:'C q.g'"i k
ÿ,,tÿt
;-
13. Find the slope of the line that passes
through the points (4,2) and (-1,7).
'I
,ÿx-%
2
14.The slope of a line is - and contains the
3
point (0,-3). Write the equation of the
10. Find the value of x if the perimeter of
Kris' flower bed below is 40 feet.
o
ÿ
-
16. What is the first step in solving for x"
22. Julia asked Kailee to solve the
equation 6x-3 = 2x + 5. Kailee
made a table to help her solve the
t
7
equation. Complete the table.
Pa,.ÿh/pl,f b6i., ÿiÿes oÿt-4tcÿ
17.What is the answer when 0 is in the
3
denominator of a fraction? (ex. o )
#I
0
I,
I
18. Give the y-intercept of the equation
below as an ordered pair.
1
y=-x- 3
Lol - 3")
What is the value of x that makes the
equation true?
)
19. Simplify: 3a - (4a - 7)
23. Given: f(x) = -4x - 6, evaluate f(3)
..... 0L, € ÿ1,
#-(Q .... l'a-- t
fqÿ)...:--ÿ S
20.
Simplify: 5y - 2(y + 4)
24.
5ÿ-2,/-ÿ
Cÿ
3V--. ?
2
21. Solve for x: -x = 12
3
oÿ 1
(5"%, i
fh
,
25. Find the perimeter and area of
the shape.
28.Which equation has a solution of all
real numbers?
2x+5
A 12(c + 3)- 30 = 12c + 36 (.J
10(x + 3) = 18x + 30 ÿ7ÿ.- 'ÿ-",
3x
4(6a + 3) = 6(4a + 2) ÿ
29.What is the slope of a horizontal line?
}ox¢lo
r
ÿ
>'
ÿ,
L
Z e.r
}
ÿ
xÿ
Vertical line?
Pe
"
2 Lÿ2vv
" ,-kt t! C¢ÿ,
30.What is the equation of a line that goes
26.
,:vo.uote t,-.,o ex0ross,o,, ..,he
a = 2, b = 6, c=-3.
through the point (2, 10) and has an
P
-ÿ-
6(b2-4) 4- a + 3- c
i
?
27.Determine the step where the misValUe,
J
t
31. Solve for x.
6-5'x<x+2
if any, was made.
Problem:
2x-4(x+ 3) = 18
...T% ;
2x-4x- 12 = 18
r %'
( B. Step2:ÿ
i 2x.T 12 = 18
C. Step 3"
2x = 30
D. Step 4"
x=15
32.A mechanic charges a customer $25 for
parts, plus $40 for each hour he
worked. The bill totaled $325. About
how long did the mechanic work on
E. No mistake
this customer's car?
"30