Matrices
solve the equation:
If G= [ -4n n+m -2n -4n ] and H= [ 4 -5 3m 0 ], what is G+H?
[ -4n+4 n+m-5 -2n+3m -4+0 ]
Find the discriminant:
-4u= -2u2 + 3
what type of solutions does the equation have?
Two real solutions
solve the equation:
( -2 - 𝑖 ) (4+ 𝑖 )
-7 - 6𝑖
Solve the equation:
How many degrees is –2𝜋 / 3 radians?
-120°
Solve the equation:
Find the common differences
-34,-64,-94,-124
-30
Solve the equation:
If A= -5 and B= [ 1 -2 -1 2], what is A+B?
[ -5 10 5 -10]
Find the Discriminant:
2q2 + 4q + 2 = 0
what type of solutions does the equation have?
One real solution
Solve the equation:
(3 + 2𝑖 ) ÷ (1 - 4𝑖 )
-5 + 14 𝑖 / -5 + 8𝑖
Solve the equation
How many radians is –543°?
Give the exact answer in simplest form.
- 181𝜋/ 60 radians
solve the equation:
Find the first five terms and the term named in the problem.
an= -7.1 -2.1n
Find a27
-9.2, -11.3, -13.4, -15.5, -17.6, -61.28
Solve the equation:
If c= [-1 -2 -1] and d= [ -7 -2], what is c+d?
undefined
Find the discriminant.
3v2 – 2v + 3 = 0
What type of solutions does the equation have?
Two complex (non-real) solutions
Use the imaginary number 𝑖 to rewrite the expression below as a complex number. Simplify all radicals.
16 + √-81
16+9𝑖
solve the equation:
How many degrees is 53𝜋 / 9 radians?
1060°
solve the equation:
Find the first five terms and the term named in the problem.
an=-11+7n
Find a34
-4, 3, 10, 17, 24, 227
solve the equation:
If F= [ 0 2 -7 -3 4 3 ] and g= [ -2 -3 5], what is FG?
[ -41 9 ]
Find all values of m for which the equation has one real solution.
9w2 + 9w = ( m+2)
Write your answer starting with m, followed by an equals sign or inequality symbol (for example, m<5). Reduce all fractions.
m= -17/4
Use the imaginary number 𝑖 to rewrite the expression below as a complex number. Simplify all radicals.
𝑖√70
solve the equation:
How many radians is 342°?
Give the exact answer in simplest form.
19𝜋/10 radians
solve this equation:
The first five terms and explicit formula.
a1=28, d=10
28, 38, 48, 58, 68
Solve the equation:
If W=[–2 2 –1 0 –2 2 -2 3 2] and x= [1 –2 3 2 1 0 3 1 1], what is WX?
[ –1 5 –7 2 0 2 10 9 –4 ]
Find all values of n for which the equation has one real solution.
( n + 1 ) r2 = –7r + 9
Write your answer starting with n, followed by an equals sign or inequality symbol (for example, n < 5). Reduce all fractions.
n= - 85/36
Use the imaginary number 𝑖 to rewrite the expression below as a complex number. Simplify all radicals.
-2 - √99
-2 - 3𝑖 √11
Solve the equation:
How many degrees is 13𝜋/10 radians?
234°
solve this equation:
The first five terms and explicit formula.
a1=-38, d=-100
-38,-138,-238,-338,-438