GRADE 10 EXAM PREP

1. Determine the number of solutions that this system has.

-3x - 2y = 6 6x + 4y = 12

2. Factor a) m2 – 5m – 14 b) 2c² + 3c – 20

c) t² - 49 d) 4x2y3 + 2xy2

3. The endpoints of the line segment TU are T( 10, -5 ) and U( 14, 1 ).

a) Find the midpoint. b) Find the length of TU.

4. Expand and simplify. a) ( 3a + 2 )( 5a - 4 ) b) 2(y - 3)²

5. Solve this system of equations x + 2y = 0 y = 3x + 7 by graphing and algebracically using elimination

6. State the vertex for the quadratic function y = ( x + 6 )2 + .

7. What kind of roots does the function y = x2 + x - 2 have?

8. Which are the exact roots for 5m2 – 2m – 2 = 0

9. State the zeroes for (m – 2)(m + 5) = 0. Find the coordinates of the vertex and express the relation in standard form.

10. Given that D CAE is similar to D CBD, find

the length of x.

11. Calculate angle A to 1 decimal place.

12.  Evaluate to 4 decimal places.

a) sin54° b) tan 67°

13.  Find the angle to 1 decimal place.

a) tan x = 0.5241 b) cosT = 0.3426

14.

a) State the discriminant for this quadratic solution.

b) How many real roots will there be?

15. Given the parabola defined by ,

a) State the coordinates of the vertex.

b)  State the equation of the axis of symmetry.

c)  Does the function have a maximum or minimum point?

d)  State the maximum/minimum value.

e)  State the y-intercept.

f)  Sketch the graph. Be sure to show 5 points.

16. State the equation of the parabolaafter undergoing the

following transformations (each part is a separate case).

a) A horizontal shift of 2 units right.
b) Vertical stretch of factor 3 & vertical shift 2 units down.

c) A reflection in the x-axis and horizontal shift of 4 units left.

17. Write the equation y = x2 – 2x + 4 in the form y = a( x – h )2 + k.

18. Use the sine law to find side c, to the nearest tenth of a centimetre.

19. Find the equation of a parabola in vertex form if the parabola has a vertex of (-3, -9) and passes through the point (-7, -1)

20.  Find the roots of 2x2 - 5x + 1 = 0 by using the quadratic formula

21.  If ΔABC has vertices A(12, 4), B(-6, 2) and C(-4, -2), find the equation of the median from B.

22.  A triangle has vertices at P(-2, 2), Q(-1, -3) and R(4, 1). Show that this is NOT a right triangle.

23. Solve for each:

a) A b) B

58º 28

20 25 15

C a B

A 23 C