UNIT TEST-1 (2021-22)
CLASS IX
MATHEMATICS
TIME: 40 min.
M: M-25
1. Choose the correct answer:
(i) Which point lies on the y-axis?
(a) (3,2)
(b) (-3,2)
(c) (0,-3)
(d) (-1,-2)
(ii)Given a rational number (-5/9) This rational number can also be known as
(a) a natural number
(b) a whole number
(c) a fraction
(d) a real number
(a) x½ + x‐¹ +5
(b) x² +5 √x + 7
(c) 1/x³ + 1
(d) 3x² + 7
√3 is a polynomial of degree
(a) ½
(b) 2
(c) 1
(d) 0
(vi) Which point lies to the left of the y-axis?
(a) (0, 3)
(b) (-2,-1)
(c) (3,5)
(d) (3,-2)
2. Answer the following:
(i) Write an irrational number lying between ⅕ and ⅙
(ii) What is the rationalizing factor of (√7-2).
(iii) Find the value of (16)‐¾
(iv) Find the zero of the polynomial p(x) = 5 - 4x.
(v) Find the remainder when x³ + 4x² + 4x - 3 is divisible by x.
(vi) In which quadrant/quadrants abscissa of a point is positive?
(vii) Write the coordinate of a point that lies on the y-axis at a distance of 5 units in the negative direction of the y-axis.
3. Find the value of k, if (x + 1) is a factor of 4x³ + 3x² - 4x + k.
4. Express 0.53(bar sign on 3 only) in the form of p/q.
5. Factorise: 27a³-8b³ - 54a²b + 36ab²
6. Expand : (2a + 5b - 7c)²
7. Plot the points A(2,5), B(-2,2), and C(4,2) on graph paper. Join AB, BC, and AC. Calculate the area
of triangle ABC.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Post a Comment