Help Contact For teachers and institutes

Mock Tests Classes

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Prepare for an Exam
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

The vectors a = 2 i - 3 j + 4 k and b = -6 i + 9 j + p… | StemPy Lab

Quizzes
The vectors a = 2 i - 3 j + 4 k and b = -6 i + 9 j + p k are parallel. What is the value of p?

MathematicsHardHigh School (11–12)Vectors and Three-Dimensional Geometry › Vector Algebra A-Level IB AEEE (Amrita)AMUEEE AP EAPCET BCECE

+20 more exams

CMI Entrance COMEDK UGET CUET UG GUJCET IAT (IISER)ISI Admission Test JCECE JKCET KCET KEAM KIITEE LPUNEST MET (Manipal)MHT-CET NEST (NISER)

Created by StemPy Lab

The vectors $\vec a = 2\hat i - 3\hat j + 4\hat k$ and $\vec b = -6\hat i + 9\hat j + p\hat k$ are parallel. What is the value of $p$ ?

← All Quizzes

← A student wants the point P on the segment from A(-1, 2, 3) to B(7, -2, -5) with AP : PB = 3 : 1. She works out (3 a + b)/4 and gets (1, 1, 1). Which statement is correct?Two vertices of a triangle are A(4, 0, 2) and B(-1, 5, 6). The centroid is G(2, 1, 3). Which point is the third vertex C? →

More onVectors and Three-Dimensional Geometry › Vector Algebra

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

The three vectors i + 2 k, j + k and 2 i + 3 j + λ k lie in one plane for one value of λ. What is…Hard
A student claims that ( a× b)× c = a×( b× c) for all vectors. Which choice of vectors shows that…Hard
A designer knows that two rods, drawn as vectors, are each 5 units long and that the dot product…Hard
A quarry cuts a leaning block with the three edges a = i, b = i + 2 j and c = 3 i + j + 5 k, in…Medium
In the figure, the vectors a and b lie on the floor, and a× b points straight up. Which statement…Medium

All questions on this topic →

Problems on this topic

A parallelepiped has the edges a = i + j, b = j + k and c = i + 4 k, in metres…Advanced
A tent is a tetrahedron with the corners P(1, 0, 0), Q(0, 2, 0), R(0, 0, 3) and S(1, 1, 1), with…Hard
Four joints of a steel frame have the coordinates A(1, 2, 3), B(2, 4, 5), C(0, 1, 1) and D(2, 2…Hard
A concrete block leans to one side. Its three edges from one corner are a = 3 i + j - k, b = i + 2…Medium

All problems on this topic →