Chapter 10
Elementary Algebra · 172 exercises
Problem 1
Solve the following quadratic equations. \(a^{2}=49\)
4 step solution
Problem 2
Solve the following quadratic equations. \(b^{2}=144\)
4 step solution
Problem 3
Solve the following quadratic equations. \(r^{2}-24=0\)
2 step solution
Problem 4
Solve the following quadratic equations. \(t^{2}-75=0\)
3 step solution
Problem 5
Solve the following quadratic equations. \(u^{2}-300=0\)
4 step solution
Problem 6
Solve the following quadratic equations. \(v^{2}-80=0\)
3 step solution
Problem 7
Solve the following quadratic equations. \(4 m^{2}=36\)
5 step solution
Problem 9
Solve the following quadratic equations. \(x^{2}+20=0\)
5 step solution
Problem 10
Solve the following quadratic equations. \(y^{2}+64=0\)
3 step solution
Problem 11
Solve the following quadratic equations. \(\frac{2}{5} a^{2}+3=11\)
4 step solution
Problem 13
Solve the following quadratic equations. \(7 p^{2}+10=26\)
5 step solution
Problem 14
Solve the following quadratic equations. \(2 q^{2}+5=30\)
3 step solution
Problem 15
Solve the following quadratic equations. \((x+2)^{2}=9\)
5 step solution
Problem 16
Solve the following quadratic equations. \((y-5)^{2}=36\)
5 step solution
Problem 17
Solve the following quadratic equations. \((u-6)^{2}=64\)
4 step solution
Problem 18
Solve the following quadratic equations. \((v+10)^{2}=121\)
4 step solution
Problem 20
Solve the following quadratic equations. \((n+5)^{2}=32\)
3 step solution
Problem 21
Solve the following quadratic equations. \(\left(r-\frac{1}{2}\right)^{2}=\frac{3}{4}\)
5 step solution
Problem 22
Solve the following quadratic equations. \(\left(t-\frac{5}{6}\right)^{2}=\frac{11}{25}\)
5 step solution
Problem 23
Solve the following quadratic equations. \((a-7)^{2}+5=55\)
3 step solution
Problem 25
Solve the following quadratic equations. \((5 c+1)^{2}=-27\)
4 step solution
Problem 26
Solve the following quadratic equations. \((8 d-6)^{2}=-24\)
4 step solution
Problem 27
Solve the following quadratic equations. . \(m^{2}-4 m+4=8\)
3 step solution
Problem 28
Solve the following quadratic equations. \(n^{2}+8 n+16=27\)
6 step solution
Problem 29
Solve the following quadratic equations. \(25 x^{2}-30 x+9=36\)
5 step solution
Problem 30
Solve the following quadratic equations. \(9 y^{2}+12 y+4=9\)
5 step solution
Problem 31
Solve using the Square Root Property. \(2 r^{2}=32\)
3 step solution
Problem 32
Solve using the Square Root Property. \(4 t^{2}=16\)
3 step solution
Problem 33
Solve using the Square Root Property. \((a-4)^{2}=28\)
4 step solution
Problem 35
Solve using the Square Root Property. \(9 w^{2}-24 w+16=1\)
4 step solution
Problem 37
Solve using the Square Root Property. \(a^{2}-18=0\)
3 step solution
Problem 38
Solve using the Square Root Property. \(b^{2}-108=0\)
3 step solution
Problem 39
Solve using the Square Root Property. \(\left(p-\frac{1}{3}\right)^{2}=\frac{7}{9}\)
5 step solution
Problem 40
Solve using the Square Root Property. \(\left(q-\frac{3}{5}\right)^{2}=\frac{3}{4}\)
5 step solution
Problem 41
Solve using the Square Root Property. \(m^{2}+12=0\)
3 step solution
Problem 43
Solve using the Square Root Property. \(u^{2}-14 u+49=72\)
4 step solution
Problem 45
Solve using the Square Root Property. \((m-4)^{2}+3=15\)
3 step solution
Problem 46
Solve using the Square Root Property. \((n-7)^{2}-8=64\)
4 step solution
Problem 47
Solve using the Square Root Property. \((x+5)^{2}=4\)
5 step solution
Problem 48
Solve using the Square Root Property. \((y-4)^{2}=64\)
5 step solution
Problem 49
Solve using the Square Root Property. \(6 c^{2}+4=29\)
4 step solution
Problem 50
Solve using the Square Root Property. \(2 d^{2}-4=77\)
4 step solution
Problem 51
Solve using the Square Root Property. \((x-6)^{2}+7=3\)
2 step solution
Problem 52
Solve using the Square Root Property. \((y-4)^{2}+10=9\)
2 step solution
Problem 53
Paola has enough mulch to cover 48 square feet. She wants to use it to make three square vegetable gardens of equal sizes. Solve the equation \(3 s^{2}=48\) to find \(s,\) the length of each garden side.
4 step solution
Problem 54
Kathy is drawing up the blueprints for a house she is designing. She wants to have four square windows of equal size in the living room, with a total area of 64 square feet. Solve the equation \(4 s^{2}=64\) to find \(s\), the length of the sides of the windows.
5 step solution
Problem 59
Complete the square to make a perfect square trinomial. Then, write the result as a binomial squared. \(m^{2}+18 m\)
7 step solution
Problem 65
Complete the square to make a perfect square trinomial. Then, write the result as a binomial squared. \(x^{2}-9 x\)
6 step solution
Problem 69
Solve by completing the square. \(v^{2}+6 v=40\)
4 step solution
Problem 70
Solve by completing the square. \(w^{2}+8 w=65\)
6 step solution