17 M/C QUESTIONS ON PRECALCULUS MATHS :

3.

Find the x and y intercepts of y=4x +3

A)

y=3

x= -3/4

B) y=-3 x=3/4

C) y=3 x=-3

    6.

Find the indicated sum:

Sum (i = 1 to 4) of 7/i .

A) 1/28
B) 25/84
C) 11/42
D) 5/28

 7. 

Write the first five terms of the sequence whose general term is given.
an = 4(2n – 3)    n = 1,2,3,…

A) -4, 4, 12, 20, 28
B) -4, -8, -12, -16, -20
C) -1, 1, 3, 5, 7
D) -12, -4, 4, 12, 20

 8. 

Add or subtract as indicated and write the result in standard form.

(4 – 2i) + (9 + 5i)

A) 13 – 3i
B) -13 – 3i
C) -5 + 7i
D) 13 + 3i

 9. 

Add or subtract as indicated and write the result in standard form. (6 + 4i) – (-8 + i)

A) 14 – 3i
B) -2 + 5i
C) 14 + 3i
D) -14 – 3i

  

11.

 

Find the x-intercepts and y-intercepts of the graph of the equation.
x + y = -4

A) x-intercept: -4; y-intercept: -4
B) x-intercept: -4; y-intercept: -3
C) x-intercept: -1; y-intercept: -3
D) x-intercept: -3; y-intercept: -1

 

12.

 

Determine whether the given ordered set of numbers is a solution of the system of equations.

(1, -3)
x + y = -2
x – y = 4

 

A) No

B) Yes

 

13.

 

Determine whether the given ordered set of numbers is a solution of the system of equations. (4, 1)
x + y = -3
x – y = -5

 A) No B) Yes 

14.

 

Solve the system of two equations in two variables.

8x + 64 = 9y
3x + 6y = 51

 

A) (1, 8)
B) (1, 9)
C) (0, 9)
D) No solution

 

15.

 

Using the law of Cosine solve for the unknown Given: side a=31.5, side b=28, side c= 41.5, find angle C=?

 

A) 90°
B) 80°
C) 88.2°

 

16.

 

Solve the system of two equations in two variables. x + 4y = 16
-3x + 5y = 20

 

A) (-4, 0)
B) No solution
C) (1, 3)
D) (0, 4)

     

19.

 

Using the Slope Formula find the slope of the two given points (-9,-25),(-8,48)

 

A) -73
B) 73
C) 70

 

20.

 

Using the Slope Formula solve for the slope of the two given points (-4,-5),(5,7)

 

A) 4/3
B) 3/4
C) -4/3

 

21.

 

Using the Distance formula find the distance between P and Q P(-10,-1)and Q(-25,7)

 

A) 17
B) -17
C) √17

 

22.

 

Using the Midpoint formula find the midpoint between P and Q P(-2,-4)and Q(4,2)

 

A) (1,1)
B) (-1,-1)
C) (1,-1)

   

24.

 

Using the Law of Sine solve for the unknown Given: angle B=40°, side c= 57.1 side b=40 find angle C =?

 

A) -66.3
B) 66.6
C) 60

 

25.

 Solve the system of two equations in two variables. 

-4x – 4y =0

2x + 2y =0

 

A) (-7, 7)
B) (-8, 8)
C) (-7, 8) 
D) No solution