MTH101 Quiz 1

Q1. Which of the following is solution of equation: |x - 3|- 4 = 3

1. x = 7
2. x = 10 and x = - 4
3. x = 7 and x = 1
4. x = 6 and x = 0

Correct answer: x = 10 and x = - 4

Q2. Let two lines have slope a1 and a2 respectively. If a1 = a2 then the two lines are ___________

1. Perpendicular to each other
2. Parallel to x-axis
3. Parallel to y-axis
4. Parallel to each other

Correct answer: Parallel to each other

Q3. ${\rm{If~}}\left| {y + 4} \right| < 9.{\rm{~What ~is~the~solution~set~for~}}y?$

1. All of the these are correct
2. $y > - 13~or~y < 5$
3. $y ( - 13,5)$
4. $- 13 < y < 5$

Correct answer: All of the these are correct

Q4. If slope of a line is ONE, then ANGLE OF INCLINATION of that line is __________ degree.

1. 135
2. 45
3. 90
4. 0

Correct answer: 45

Q5. If two lines are perpendicular and one of them has the slope 2/3. What is the slope of the other line?

1. -2/3
2. -1
3. -3/2
4. 3/2

Correct answer: -3/2

Q6. Graph of f(x) is the same as the graph of cf(x)………………vertically if 0<c<1

1. Compressed
2. Stretched

Correct answer: Compressed

Q7. The midpoint of the points A(3,5) and B(1,3) is ...........?

1. (-2,-2)
2. (-1,-1)
3. (2,4)
4. (1,1)

Correct answer: (2,4)