# Vector - practice problems

#### Number of problems found: 95

- Scalar product

Calculate the scalar product of two vectors: (2.5) (-1, -4) - The modulus

Find the modulus of the complex number 2 + 5i - Vector

Determine coordinates of the vector u=CD if C[19;-7], D[-16,-5]. - Place vector

Place the vector AB if A (3, -1), B (5,3) in point C (1,3) so that AB = CO. - Vector 7

Given vector OA(12,16) and vector OB(4,1). Find vector AB and vector |A|. - Points collinear

Show that the point A(-1,3), B(3,2), C(11,0) are col-linear. - Add vector

Given that P = (5, 8) and Q = (6, 9), find the component form and magnitude of vector PQ. - Vector perpendicular

Find the vector a = (2, y, z) so that a⊥ b and a ⊥ c where b = (-1, 4, 2) and c = (3, -3, -1) - Coordinates of vector

Determine the coordinate of a vector u=CD if C(19;-7) and D(-16;-5) - Vector v4

Find the vector v4 perpendicular to vectors v1 = (1, 1, 1, -1), v2 = (1, 1, -1, 1) and v3 = (0, 0, 1, 1) - Linear independence

Determine if vectors u=(-4; -10) and v=(-2; -7) are linear dependents. - Vectors

For a vector w is w = 2u-5v true. Find coordinates of vector w if u=(3, -1), v=(12, -10). - Parametric equations

Write the parametric equations of height hc in triangle ABC: A = [5; 6], B = [- 2; 4], C = [6; -1] - Direction 7999

A (5; -4) B (1; 3) C (-2; 0) D (6; 2) Calculate the direction vector a) a = AB b) b = BC c) c = CD - Coordinates 59763

The vectors v = (2.7; -1.8), w = (-3; 2.5) are given. Find the coordinates of the vectors: a = v + w, b = v-w, c = w-v, d = 2 / 3v - Coordinates of square vertices

The ABCD square has the center S [−3, −2] and the vertex A [1, −3]. Find the coordinates of the other vertices of the square. - Line

Line p passes through A[5, -3] and has a direction vector v=(2, 3). Is point B[3, -6] on the line p? - Proportional relationship

The ordered pairs (6,24) and (1, s) represent a proportional relationship. Find the value of s. - Vectors abs sum diff

The vectors a = (4,2), b = (- 2,1) are given. Calculate: a) |a+b|, b) |a|+|b|, c) |a-b|, d) |a|-|b|. - Ascend vs. descent

Which function is growing? a) y = 2-x b) y = 20 c) y = (x + 2). (-5) d) y = x-2

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