Chapter Review
Textbook
10 Math Power
Chapter
Chapter 5
Section
Chapter Review
Solutions 50 Videos

Solve by graphing.

x^2 -2x -3 =0

Q1a

The length of a rectangle is 2 cm more than the width. The area is 24 cm^2. What are the dimensions of the rectangle?

Q3

Solve by factoring.

x^2 + 3x - 28 = 0

Q4a

The playing surface in the game of curling is a rectangular sheet of ice with an area of about 225 m^2. The width is about 40 m less than the length. Find the approximate dimensions of the playing surface.

Q5

Sketch the graphs of the following quadratic functions by factoring to locate the  x  -intercepts, and then finding the coordinates of the vertex.

\displaystyle y=x^{2}+6 x+8 

Q6a

\displaystyle x^{2}-7 x+12=0 

Q7a

\displaystyle x^{2}-3 x+5=0 

Q7b

\displaystyle n^{2}+n-42=0 

Q7c

\displaystyle x^{2}-1=0 

Q7d

\displaystyle 2 x^{2}+3 x=0 

Q7e

\displaystyle 4 x^{2}-12 x+9=0 

Q7f

\displaystyle 7 g^{2}+2=9 g 

Q7g

\displaystyle 4 m^{2}=3+4 m 

Q7h

Solve using the quadratic formula. Express answers as exact roots and as approximate roots, to the nearest hundredth.

\displaystyle x^{2}+5 x-3=0 

Q8a

Solve using the quadratic formula. Express answers as exact roots and as approximate roots, to the nearest hundredth.

\displaystyle k^{2}-9 k=1 

Q8b

Solve using the quadratic formula. Express answers as exact roots and as approximate roots, to the nearest hundredth.

\displaystyle 8 w^{2}=2-3 w 

Q8c

Solve using the quadratic formula. Express answers as exact roots and as approximate roots, to the nearest hundredth.

\displaystyle 3=5 x+3 x^{2} 

Q8d

Solve, to the nearest hundredth.

\displaystyle 6 x^{2}+x-4=0 

\displaystyle 1.2 x^{2}+0.5 x-0.3=0