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PortageMath101 college algebra Module 1-10 Exam
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PortageMath101 college algebra Module 1-10 Exam
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PortageMath101 college algebra Module2 Exam
- ans
Add Polynomials (2b^2- 7b - 3) + (5b^2 + 6b + 8)= - ans7b^2 - b +5
determine whether function is linear or not linear - ans1. y=2/3x-5 linear
2. x2 + y2=16 not linear
3. 3x + 4y = 7 linear
4. y =√x-2 not linear
Divide these polynomials (a^2+2a-35) / (a+7) - ans-5a-35/0
f(x) = x²-3 for x=4 - ansf(4)= 13
(4,13)
factor 4x^2-16 - ans4(x-2)(x+2)
factor x^2-7x +12 - ans(x-3)(x-4)
Multiply these polynomials (n-8)(n-9) - ansn^2-17n +72
select correct graph for equation - ansb. y= 1/2x -4
select the image that correctly graphs the equation - ansc. 3x + y =-2
slope-intercept form - ansy=-2x + 7
Subtract polynomials (a^2-2a+1)-(a^2 +5a + 8) - ans-7a-7
a.
{y=-5x
{y=x-6
b
{y=2x-6
{y=3x+4
c.
{5x +y=12
{-2x -5y=9 - ansa. x= 1 and y=-5
(1,-5)
b. x=-10 and y= -26
(-10,-26)
c. x=3, y=-3
(3,-3)
,PortageMath101 college algebra Module
2 Exam
a. -12+(-6)=
b. -6-(-10)=
c. -7x(-4)
d. 32/ (-4) - ansa. -18
b. 4
c. 28
d. -8
a. -2 ^4=
b. 4^3= - ansa. 16
b. 64
a. 3 √3 ₊√3=
b. 5√125 - 6√5=
c. √3 × √3=
d. 17÷√17 - ansa. 4√3
b. 19√5
c. 3
d. √17
a. 3y+4(y-8)=52
b. sum of a number and four more than the number equals 14
c. write as equation; 35% of what is 49
d. solve inequality: h/2-13 ≥ -10 - ansa. y=12
b. n + (n+4)=14
n=5
c. 0.35n/0.35=49/0.35
n=140
d. h>6
a. 6-14+ 5^2 -7 +(4^2 +3)=
b. 11+(-2^3 -4) -2 x 5-8=
c. 3/4 +2/3=
d. 5/7 + 2/3=
e. -3/5 x 4/3=
f. 6/7 ÷-3/8= - ansa. 29
b. -19
c. 1/12
d. 39/35
e. -4/5
f. -16/7
a. the retail price of a used car is $10,640. what was the whole sale price if a markup of
12 % applied to the seller
,PortageMath101 college algebra Module
2 Exam
b. a fathers age is thirtteen times that of his son. in 10 years , the son's age will be one
third of his father's . how old are father and son - ansa. RP= WP +0.12
WP/1.12=
mark up= 9500
b. S ( son age)
Dad's age= 13s
s+10=(13s+10)/3
sons age=2
fathers age= 26
a. x^2-x-1=0
b. 10x^2 +-2=0
c. y^2 - 2y=0 - ansa. 0.5 +[√5]/2, 0.5- [√5]/2
b. 0.4, -0.5
c. 0,2∑
absolute values
a. [-3]
b. -[-6]
c. [4]
d. -[17] - ansa. 3
b. -6
c. 4
d. -17
change fractions to decimals
a. 4/5=
b. 7/11
c. -3/8=
d. 9/5= - ansa. 0.8
b. 0636
c. -0.375
d. 1.8
convert
a. 3.27lbs to ounces
b. 385ml to quarts
c. 632inches to km - ansa. 52.32oz
b. 0.407 quarts
c. 0.01605 km
convert decimals to percent
a. 0.273
b. 1.63
, PortageMath101 college algebra Module
2 Exam
c.-0.675
d. 5.63 - ansa. 27.3%
b. 163%
c. -67.5%
d. 563%
covert percents to decimals
a. 38.3%
b. 186%
c. 1.35%
d. -26.5% - ansa. 0.383
b. 1.86
c. 0.0135
d. -0.265
a.
{y=-5x
{y=x-6
b
{y=2x-6
{y=3x+4
c.
{5x +y=12
{-2x -5y=9 - ansa. x= 1 and y=-5
(1,-5)
b. x=-10 and y= -26
(-10,-26)
c. x=3, y=-3
(3,-3)
a. -12+(-6)=
b. -6-(-10)=
c. -7x(-4)
d. 32/ (-4) - ansa. -18
b. 4
c. 28
d. -8
a. -2 ^4=
b. 4^3= - ansa. 16
b. 64
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