Which TWO of the following statements are true?
A. Rate of change is the number next to the variable.
B. Initial value is the number next to the variable.
C. Rate of change is the starting number.
D. Initial value is the starting number.
A. Rate of change is the number next to the variable.
D. Initial value is the starting number.
Solve PQ = R for P.
A. P = Q/R
B. P = QR
C. P = R/Q
D. P = RQ
C. P = R/Q
Use technology to solve 2x+1 = -3(x-2).
Fill in the blanks. Rational numbers either ____________ or ____________. Irrational numbers ____________ without _____________.
end/terminate, repeat, go on forever, repeating
A store is closing. They have 300 shirts. They sell 9 shirts a day. Write an equation for how many shirts S they have in d days.
A. S = 300 + 9d
B. S = 300 - 9d
C. S = -300 + 9d
D. S = -300 -9d
B. S = 300 - 9d
Solve x + y = v for x.
A. x = v + y
B. x = y + v
C. x = v - y
D. x = y - v
C. x = v - y
Use technology to solve -3x+6 = 18.
x = -4
Determine whether each of the following is rational or irrational. (The line is separating them, not a fraction bar.)
1. irrational
2. rational
Mr. Smith weighs 250 pounds. He plans to lose 2 pounds every month until he reaches his weight goal. Write an equation that shows his weight W based on months m.
A. W = 2m - 250
B. W = -2m + 250
C. W = 250m - 2
D. W = -250m + 2
B. W = -2m + 250
Solve C=pd for d.
A. d=pC
B. d=C/p
C. d=C-p
D. d=p+C
B. d=C/p
Use technology to solve -4(2c+3) = -8c + 17.
no solution
Find the answer to the following. Then determine if it is rational or irrational.
around 4.51984209979...
irrational
A company has made a profit of -$700 last year. To make up for this, they want to earn a profit of $40 per week this year. Write an equation that shows total profit T based on weeks w.
A. T = -700w - 40
B. T = -700 - 40w
C. T = -700w + 40
D. T = -700 + 40w
D. T = -700 + 40w
Solve a + b = c for b.
E. b = c - a
F. b = a - c
G. b = a/c
H. b = c/a
E. b = c - a
Use technology to solve 40 = 8k - 10.
k = 6.25
Which of the following is rational? Choose all that apply.
A. 3.25
B. 3.25252525
C. 3.25252525...
D. 3.25225222...
E. 3.22225678...
A, B, and C
A library charges $2 for a card and $1 for every late book. Write an equation that shows how much you would pay P if you became a member and had b late books.
A. P = 2b + 1
B. P = b + 2
C. P = 2b - 1
D. P = -b + 2
B. P = b + 2
Solve V = LWH for L.
D. L = V / (HW)
Use technology to solve 9x-2 = -3(1-3x)+1.
infinitely many
A