Algebra Challenge for Grade 7

2x + 3 = 11. X=?

• 4

• 3

• 2

• 5

3(2x + 4) - 5=?

• 3x + 4

• 2x + 8

• 6x + 9

• 6x + 7

5x - 2 < 3. X=?

• x > 1

• x = 1

• x ≤ 1

• x < 1

y = 2x + 1, x = 4. y=?

• 5

• 7

• 9

• 10

4(x - 1) = 12. X=?

• 2

• 8

• 4

• 6

y = 3x + 2 y=11. X=?

• 4

• 3

• -1

• 2

x^2 - 9=?

• (x - 6)(x + 6)

• (x - 9)(x + 1)

• (x - 3)(x - 3)

• (x - 3)(x + 3)

7x - 2x + 5=?

• 6x + 5

• 5x + 5

• 5x - 2

• 7x + 5

3x + 4 = 19, x=?

• 5

• 6

• 3

• 4

ax^2 + bx + c = 0?

• x = (-b ± 2√(b² - 4ac)) / a

• x = (-b ± √(b² - 4ac)) / (2a)

• x = (b ± √(4ac - b²)) / (2c)

• x = (b ± √(b² + 4ac)) / (2a)