CHAPTER 9 Test 593Decide from the graph how many real number solutions there are of the equation.
Determine the solution set (of real solutions) for from the graph. Give the domain
and range of each function.ƒ 1 x 2 = 0ƒ 1 x 2 = 0xy–2 0 2
–2 y = f(x)xy02–2
y = f(x) xy0 12
y = f(x)MIXED REVIEW EXERCISES
Solve by any method. Give only real number solutions.
- 58.0.5r^2 =3.5-r 59.x^2 + 4 x= 1 60. 7 x^2 - 8 = 5 x^2 + 8
m^2 - 4 m+ 10 = 0 k^2 - 9 k+ 10 = 0 13 x+ 522 = 06 t^2 + 7 t- 3 = 0 2 x^2 + 3 x+ 2 =x^2 - 2 x x^2 + 2 x+ 5 = 712 t- 121 t+ 12 = 54 12 p+ 122 = 100 1 x+ 221 x- 12 = 361.The owners of Cole’s Baseball Cards have found that
the price p, in dollars, of a particular Jim “Mudcat”
Grant card depends on the demand d, in hundreds, for
the card, according to the function defined byWhat demand produces a price of $6 for the card?
62.Find the vertex of the parabola from Exercise 61.Give
the corresponding demand and price.p=- 1 d- 622 +10.Items marked * require knowledge of complex numbers.Solve by using the square root property.Solve by completing the square.Solve by the quadratic formula.*9. 10.t^2 -5
3
t+1
3
4 x^2 + 8 x+ 11 = 0 = 05 x^2 + 2 x= 0 2 x^2 + 5 x- 3 = 0 3 w 2 + 2 = 6 wx^2 - 4 x= 6 2 x^2 + 12 x- 3 = 0x^2 = 39 1 z+ 322 = 64 14 x+ 322 = 24TEST
CHAPTER 9 Step-by-step test solutions are found on the Chapter Test Prep Videos
available via the Video Resources on DVD, in , or on
(search “LialBeginningAlgebra”).
CHAPTERVIDEOSView the complete solutions to
all Chapter Test exercises on
the Video Resources on DVD.