Log in
Algebra
1
answer
0
watching
47
views
10 Nov 2019

Let
V1 =2i +j +4k
V2 =4i - j +5k
be vectors and line L1 givenby
r1 =-8i + 2j - 9k +sV1 (s is any real number)
and line L2 given by
r2 =15i + 9j + 7k +tV2 (t is any real number)

Verify that L1 and L2 do notintersect.

Watch
1
answer
0
watching
47
views

For unlimited access to Homework Help, a Homework+ subscription is required.

Lelia Lubowitz
Lelia LubowitzLv2
1 Aug 2019

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Share

Related questions

Q1. Write the expression 6/(2 + 8i) in the standard form a + bi.
a. -1/5 + 4i/5
b. 3/17 + 12i/17
c. -1/5 - 4i/5
d. 3/17 - 12i/17

Q2. Choose the graph of the number line that represents x ≤ -3.
a.
b.
c.
d.

Q3. Write the expression √-64 and express your answer in the standard form a + bi.
a. i√8
b. 8i
c. -8i
d. ±8

Q4. Evaluate (2xy + 35)/x given that x = 5 and y = 7.
a. 7
b. 49
c. 9
d. 21

Q5. The net income y (in millions of dollars) of Pet Products Unlimited from 1997 to 1999 is given by the equation y = 9x2 + 15x + 52, where x represents the number of years after 1997. Assume this trend continues and predict the year in which Pet Products Unlimited's net income will be $598 million.
a. 2005
b. 2004
c. 2003
d. 2006

Q6. Solve the equation x2 + 144 = 0 in the complex number system.
a. {-12, 12}
b. {12}
c. {12i}
d. {-12i, 12i}

Q7. Find the real solutions of the equation √24x + 48 = x + 8.
a. {-4}
b. {6}
c. {-3}
d. {4}

Q8. Solve P-5Q/3=(P+7)/2+1 for P.
a. P = (15 - 10Q)/3
b. P = (27 + 10Q)/3
c. P = (27 - 10Q)/3
d. P = (15 + 10Q)/3

Q9. Tracy can wallpaper 2 rooms in a new house in 8 hours. Together with her trainee they can wallpaper the 2 rooms in 6 hours. How long would it take the trainee working by herself to do the job?
a. 8 hr
b. 30 hr
c. 22 hr
d. 44 hr

Q10. Solve x2 - 2x - 24 = 0 by using completing the square.
a. {√5, -1}
b. {-6, 4}
c. {-20, -4}
d. {6, -4}

Weekly leaderboard

Home
Homework Help 3,900,000
Algebra 190,000
Start filling in the gaps now
Log in