Grade 9 Mathematics

Linear Equations and Inequalities

100

What is the solution to 12-5x=-8

x = -4

200

Find the value of k that satisfies  (3k+5)/2=13

x = 7

300

Solve: 4n - 2n = 4

n = 2

400

Solve for r: -3(1+6r) = 14 - r

r = -1

500

Solve the equation: 10p + 9 - 11 - p = -2(2p + 4) - 3(2p - 2)

p = 0

System of Equations

100

What is the solution to x + 3 = 1 ?

x = -2

200

Find the value of x that satisfies 3x - 1 = -2.

x = -1/3

300

Solve: -1 = -3r + 2r

r = 1

400

Solve for n: -16 + 5n = -7(-6 + 8n) + 3

n = 1

500

Solve the equation: 10(x + 3) - (-9x - 4) = x - 5 + 3

x = -2

Linear Programming

100

What is the solution to x - 2 > 0 ?

x > 2

200

Solve the inequality: 3x - 2 < 0

x < 2/3

300

Solve: 4x + 1 - 1 > -8

x > -2

400

Solve for a: -5(1 - 4a) > -5

a > 0

500

Solve the inequality: -6(1+2x) > 6(2x - 1) + 2x

x < 0

Quadratic Equations

100

What's the solution to x - 3 < 0 ?

x < 3

200

Solve the inequality: 5x + 1 > 0

x > -1/5

300

Solve: -1 < 2n + 4 - 5

n > 0

400

Solve for b: -2(b+1) + 4 < 10

b > -4

500

Solve: -2(1 - 5x) > -(x + 1) - 1

x > 0

Quadratic Functions

100

What is the solution to x + 1 + 1 > 0 ?

x > -2

200

Solve the inequality: -3x - 1 > 5

x < -2

300

Solve: -6 > 5n + 5 + 4

n < -3

400

Solve for a: a - 15 > -4(-6 + 3a)

a > 3

500

Solve: 5x - (x + 2) > -5(1 + x) + 3

x > 0