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UANL
UANL
UNIVERSIDAD AUTÓNOMA DE NUEVO LEÓN

SCHOOL PERIOD: 2012 – 2013
SEMESTER:JANUARY – JUNE 2013
LABORATORY OF MATHEMATICS II STAGE 1
MADE BY : M ATHEMATICS II ACADEMY
ACADEMYCOORDINATOR: MTRO. ROBERTO GARCÍA IBARRA
DATE: FEBRUARY 2013
EDUCATIVE PROGRAM: BILINGUAL
CODE: N/A

NAME:_____________________________________________________________________________________GROUP:________

I.

ROLL.__________

INSTRUCTIONS: CHOOSE THE CORRECT ANSWER.

1.-Which of the following is not a quadratic equation?
A) 5x2 = 5

B) 6x – 2 = 2x

C) (x – 2 ) ( x + 5 ) = 0

D) x ( 3+ x ) = 6

2.- Which of the following is a mixed quadratic equation?
A) x2 – 3x + 5 = 0

B) x + 4 = x2

C) 2x2 = 0

D ) x2 – 5 x = 0

3.- The equation ( 2x + 4 )2 = 0 , would have:
A) Onesolution

B) Two solutions

C) Non solution

D) Unkown

C) b2 – 4ac

D) -4ac

C) No real solutions

D) Unkown

4.- Discriminat Expression:
A) -b

B) 2a

5.- The equation 3x2 + 2x+ 5 = 0, would have:
A) One solution

B) Two real solutions

6.- According with reciprocal of the multiplicative property of zero for any real number n and p, if
n (p) = 0 then:
A) n = 0

B)p = 0

C) n and p is 0

D) n = 0 o r p = 0

7.- The absolute value of -7, represented by |-7 | is equal to :
A) 7

B) -7

C) 7 y -7

D ) {}

1

I.

INSTRUCTIONS: Find the solutionset for each of the following equations. You must write
the procedure.

8.- |x -3 | = 20

A) {23 , 0 }

B) { 23 , -17 }

C) {23 , 17 }

D) { 0 , 17 }

B) { -3 }

C) { 3, -3 }

D) { }B) { -14 , 20 }

C) { 14 , 20 }

D) { 14 , -20 }

B) { 0 , 7 }

C) { 1, 7 }

D) { }

B) { -9 , 9 }

C) ( 9, -9 )

D) { 9 }

B) { -1 , 15 }

C) { -1 , -15 }

D) { 1 , 15 }9.- 12 - |3x | = 18

A) { 3 }
10.- |3x + 9 |- 9 = 42

A) { 8 , -14 }
11.- x2 + 7x = 0

A) { 0 , -7 }
12.- x2 – 81 = 0

A) { -9 , 0 }
13.- x2 + 14x + 49 = 64

A) { 1 , -15 }

2...