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Linear system of equations

100

x + y = 2

2y = 12

(x, y) = (-4, 6)

200

10x - y = 19

2y - x = 0

(x, y) = (2, 1)

300

x + y + z = 12

2z + y = 0

z = 5

(x, y, z) = (17, -10, 5)

400

x + y - z = 0

6x + 7z = 9

3x + 3y - 3z = 3

No solution

500

x + y + z = 12

2z + y = 0

(x, y, z) = (12+z, -2z, z)

Quadratics

100

x² + 2x + 1 = 0

Solve for x

x = -1

200

Factor:

x² + 9x + 20

(x+4)(x+5)

300

Solve:

x² + x + 1 = 0

Choose positive solution

-1/2 + i sqrt(3/4)

400

p(t) = 2t²+5t-10,

What is p(10)?

240

500

Factor:x²+4

(x-2i)(x+2i)

Arithmetic

100

300 - 12² - 5

151

200

[(10/3)cbrt(27)]²

100

300

16²

256

400

2[10²+(1+5)(6-10)]-1

151

500

ln(e^2+11-5)ln(e^3-1)

16

Uhhhh🥰

100

100% of 027363810276?

027363810276

200

5% of 102087

5,104.35

300

30 students, 17 girls, 13 boys. What percentage of students are girls?

about 57%

400

If  Manjula = 7 and Rosemary = 2 what is Manjula^Rosemary?

49

500

24x2+25x−47ax−2=−8x−3−53ax−2 is true for all values of x≠2a, where a is a constant. 

What is the value of a?

A=-3

1st grade(I got lazy)

100

2x5

10

200

10^2

100

300

9+10

21 🤪

400

If Leo is 5’1 and grows 11 inches this summer, how tall will he be junior year?

5’12 

500

1x+102=3 solve for x 

X=-99