Mixed Math Quiz

Ichida nima bor

1. 1.

   What is the value of $x$ in the equation $2x + 5 = 15$?

   Javob variantlari

   • 5

   • 10

   • 7.5

   • 2.5

2. 2.

   What is $\sqrt{100}$?

   Javob variantlari

   • 25

   • 10

   • 5

   • 15

3. 3.

   Expand $(x + 1)^2$.

   Javob variantlari

   • $x^2 + 2x + 1$

   • $x^2 + 1$

   • $x^2 + 2x$

   • $x^2 + 1x + 1$

4. 4.

   What is the sum of the interior angles of a triangle?

   Javob variantlari

   • $120^\circ$

   • $180^\circ$

   • $90^\circ$

   • $360^\circ$

5. 5.

   Which of the following is the slope-intercept form of a linear equation?

   Javob variantlari

   • $y = mx + b$

   • $y = ax^2 + bx + c$

   • $x^2 + y^2 = r^2$

   • $A = \pi r^2$

6. 6.

   What is the value of $3!$ (3 factorial)?

   Javob variantlari

   • 12

   • 6

   • 36

   • 18

7. 7.

   What is the value of any non-zero number raised to the power of 0?

   Javob variantlari

   • 1

   • 0

   • undefined

   • -1

8. 8.

   What is the formula for the circumference of a circle?

   Javob variantlari

   • $2\pi r$

   • $\pi r^2$

   • $2\pi r^2$

   • $\pi d^2$

9. 9.

   What is $5^2$?

   Javob variantlari

   • 10

   • 25

   • 5

   • 15

10. 10.

    What is $3 \times 4$?

    Javob variantlari

    • 12

    • 10

    • 14

    • 16

11. 11.

    What is $50\%$ as a fraction?

    Javob variantlari

    • $1/3$

    • $1/2$

    • $1/4$

    • $2/3$

12. 12.

    What is $2^3$?

    Javob variantlari

    • 10

    • 8

    • 12

    • 6

13. 13.

    What is the approximate value of $\pi$?

    Javob variantlari

    • $3.14$

    • $2.71$

    • $1.61$

    • $3.00$

14. 14.

    What is $\sqrt{49}$?

    Javob variantlari

    • $7$

    • $6$

    • $8$

    • $9$

15. 15.

    Solve for $x$: $x + 7 = 10$.

    Javob variantlari

    • $x=3$

    • $x=2$

    • $x=4$

    • $x=5$