MATRIX MADNESS!

WRITE 2 MATRICES TO ORGANIZE THE DATA!!!!! BE SURE TO LABEL!!

Ms. Gagliano has several students on the cross country team this year. Mary, who runs a mile in 8 min. and 30 sec. , ran 4.5 miles on Monday and 4.2 miles on Tuesday. Jessica, who runs a mile in 7 minutes and 45 sec., ran 4 miles on Monday and 3.75 miles on Tuesday. Violet, who runs a mile in 9 min 15 sec., ran 5 miles on Monday but missed practice on Tuesday. Amanda is the fastest and runs a mile in 5 min. and 45 sec. She ran 3.5 miles on Monday and 5 miles on Tuesday. BE SURE TO SET THEM UP IN SUCH A WAY THAT YOU CAN MULTIPLY THEM TOGETHER!

HINT:ONE MATRIX SHOULD CONTAIN

THEIR DISTANCES

and

ONE MATRIX SHOULD CONTAIN HOW FAST THEY RUN

REMEMBER:BE SURE TO SET THEM UP IN SUCH A WAY THAT YOU CAN MULTIPLY THEM TOGETHER!

DID YOU CREATE A 2 X 4 AND A 4 X 1?

OR

Did you create a 1 x 4 and a 4 x 2?

A 2X4 MATRIXMary Jessica Violet Amand

a

# of Miles

Run on Monday

4.5

4 5 3.5

# of Miles

Run on Tuesday

4.2

3.7

0 5TIME PER MILE

IN MINUTES

MARY 8.5JESSICA 7.75VIOLET 9.25

AMANDA 5.75

A 4X2 MATRIX

# of Miles run on

MONDAY

# of Miles run on

TUESDAY

MARY 4.5 4.2JESSICA 4 3.75VIOLET 5 0

AMANDA 3.5 5

MARY JESSICA VIOLET AMANDA

TIME PER MILES IN MINUTES

8.5 7.75

9.25

5.75

HOW MANY TOTAL MINUTES DID THE STUDENTS IN MS. GAGLIANO’S CLASS RUN ON MONDAY AND ON TUESDAY? Ms. Gagliano has several students on the cross country team this

year. Mary, who runs a mile in 8 min. and 30 sec. , ran 4.5 miles on Monday and 4.2 miles on Tuesday. Jessica, who runs a mile in 7 minutes and 45 sec., ran 4 miles on Monday and 3.75 miles on Tuesday. Violet, who runs a mile in 9 min 15 sec., ran 5 miles on Monday but missed practice on Tuesday. Amanda is the fastest and runs a mile in 5 min. and 45 sec. She ran 3.5 miles on Monday and 5 miles on Tuesday..

ONE POSSIBILITY

4.5 4.2

4 3.758.5 7.75 9.25 5.75

5 0

3.5 5

[135.625 MIN 93.5125 MIN]

Ms. Gagliano wants to create 2 Halloween costumes, Mr. and Mrs. Incredible. She needs three different types of fabric for each. For Mrs. Incredible, she needs 2 yards of red spandex, 1.25 yards of black cotton, and .5 yards of yellow felt. For Mr. Incredible, she needs 3.75 yards of red spandex, 1.75 yards of black cotton, and .5 yards of yellow felt.

Write one matrix to organize the

data! BE sure to label!

Write a matrix and use it to find the total cost to make EACH costume if the red spandex cost $10.50 a yard, black cotton costs $5.75 a yard and the yellow felt costs $3.99 a yard.

WRITE 1 MATRIX TO ORGANIZE THE DATA

Mr. Incredible Mrs. IncredibleRed 3.75 2Black 1.75 1.25Yellow .5 .5

Red Black YellowMr. I 3.75 1.75 .5Mrs. I 2 1.25 .5

[10.5 5.75 3.99] Mr. Incredible Mrs. Incredible

Red 3.75 2Black 1.75 1.25Yellow .5 .5

Red Black YellowMr. I 3.75 1.75 .5Mrs. I 2 1.25 .5

[10.55.753.99]

[ $51.44 $30.19 ]

SO, MR. I’S COSTUME WAS $51.44 AND MRS. I’S COSTUME WAS $30.19