Download Name: ………………. Grade: 7 /…. Quarter 4 2015/ 2016 1) Find the

Revision
Name: ……………….
Grade: 7 /….
Quarter 4
2015/ 2016
1) Find the square root of the following:a)
36 = ------------------------
b) 49 = -----------------
c)
25 = -------------------------
d) 160 = --------------
e) 200 = ------------------------
f)
45 = -----------------
2) Use the relation (2, 3), (1, 0), (1, -1) , (5, 2)
1) Identify the domain and range.
a) Domain = ----------------b) Range = -------------------c. Tell whether the relation is a function. ----------------d ) Reason is ---------------------------------------------------3) Is (2, 5) a solution of the equation 2x+ y = 9?
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4) Is (2, -1) a solution of the equation 3x+ y = 2?
--------------------------------------------------------------------------------------------------------------------5) Represent the relation as a mapping diagram. Then tell whether the relation is a
function. Explain your reasoning.
X
5
-3
0
Y
1
7
2
Is it a function? ------------------------The reason -----------------------------------------------------------------------------------------------------
6) Find the intercepts of the equation
2X +y = 10
a) X- intercept = -------------------------------
b) Y- intercept = ------------------------------7) Find the midpoint of the 2 points a( 3,2) b (7,0)
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8) Graph the equation. Y = X +5
X
0
-2
1
Y
-----
-----
-----
9) Choose
a)
5 is -------------
1) Rational
2) Irrational
b)
2
is --------------7
1) Rational
2) Irrational
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c) 0.37 is ----------1) Rational
2) Irrational
D) π is --------1) Rational
2) Irrational
9) Find the slope of the line passing through the points.
1) (4, 0), (5, -1)
----------------------------------------------------------------------------2) (9,4) (3 ,-3)
-----------------------------------------------------------------------------
10) Identify the slope and y-intercept of the line with the given equation.
1) Y = 3 X- 1
Slope = -----------------Y- Intercept = -----------
2) Y = 11X + 4
Slope = -----------------Y- Intercept = -----------
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11) Choose
a) 40% as a fraction in the simplest form is ---
1)
4
5
2)
40
100
3)
2
5
b) 0.8 as a percent is ---------1) 8%
2) 80%
3) 800%
c) 0.06 as a percent = --------------------1)
16%
2) 6%
3) 60%
12) What is 20% of 50= -----------------------------------------13) What is 30% of 100 = --------------------------------------------------
14) Identify the percent of change as an increase or a decrease. Then find the
percent of change.
1. Original: 500, new: 300.
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------2. Original 100 , new 50
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------15) Find the length of the missing side in the right angle triangle
1) a= 4in , b = 3,in c = ----------------------------------------------------------------------------2) a= 5 cm , c = 13cm b= -------------------------------------------------------------------------
5
16
10
C
8
The length of C = ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
10
a
5
The length of a = ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
17. Find the annual interest and the new balance if
1) A= $1000 r = 10% t = 5 years
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------18) Find the new price of the following :_
1) If the original price = $ 1000
Discount = 5% ---------------------------------------------------------------------------------------------------------------------------------------------2) If the original price = $200
Sale tax = 20% ---------------------------------------------------------------------------------------------------------------------------------------------19) 10 is 20% of what number?
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------20) 50 is what percent of 1000 ?
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