Chapter 7
Elementary Algebra · 323 exercises
Problem 162
Factor. \(6 u^{2}+5 u-14\)
6 step solution
Problem 163
Factor. \(16 x^{2}-32 x+16\)
4 step solution
Problem 165
Factor. \(30 q^{3}+140 q^{2}+80 q\)
4 step solution
Problem 166
Factor. \(5 y^{3}+30 y^{2}-35 y\)
3 step solution
Problem 167
Factor. \(5 n^{2}+21 n+4\)
7 step solution
Problem 168
Factor. \(8 w^{2}+25 w+3\)
6 step solution
Problem 169
Factor. \(9 z^{2}+15 z+4\)
6 step solution
Problem 170
Factor. \(3 m^{2}+26 m+48\)
7 step solution
Problem 171
Factor. \(4 k^{2}-16 k+15\)
5 step solution
Problem 173
Factor. \(5 s^{2}-9 s+4\)
6 step solution
Problem 174
Factor. \(4 r^{2}-20 r+25\)
5 step solution
Problem 175
Factor. \(6 y^{2}+y-15\)
6 step solution
Problem 176
Factor. \(6 p^{2}+p-22\)
7 step solution
Problem 177
Factor. \(2 n^{2}-27 n-45\)
7 step solution
Problem 178
Factor. \(12 z^{2}-41 z-11\)
6 step solution
Problem 180
Factor. \(4 y^{2}+15 y+6\)
7 step solution
Problem 183
Factor. \(48 z^{3}-102 z^{2}-45 z\)
6 step solution
Problem 184
Factor. \(90 n^{3}+42 n^{2}-216 n\)
7 step solution
Problem 185
Factor. \(16 s^{2}+40 s+24\)
6 step solution
Problem 186
Factor. \(24 p^{2}+160 p+96\)
7 step solution
Problem 189
Factor. \(12 y^{2}-29 y+14\)
6 step solution
Problem 190
Factor. \(12 x^{2}+36 y-24 z\)
3 step solution
Problem 191
Factor. \(a^{2}-a-20\)
3 step solution
Problem 192
Factor. \(m^{2}-m-12\)
4 step solution
Problem 193
Factor. \(6 n^{2}+5 n-4\)
5 step solution
Problem 194
Factor. \(12 y^{2}-37 y+21\)
7 step solution
Problem 195
Factor. \(2 p^{2}+4 p+3\)
3 step solution
Problem 196
Factor. \(3 q^{2}+6 q+2\)
5 step solution
Problem 197
Factor. \(13 z^{2}+39 z-26\)
5 step solution
Problem 198
Factor. \(5 r^{2}+25 r+30\)
4 step solution
Problem 199
Factor. \(x^{2}+3 x-28\)
5 step solution
Problem 200
Factor. \(6 u^{2}+7 u-5\)
6 step solution
Problem 201
Factor. \(3 p^{2}+21 p\)
3 step solution
Problem 202
Factor. \(7 x^{2}-21 x\)
3 step solution
Problem 203
Factor. \(6 r^{2}+30 r+36\)
5 step solution
Problem 204
Factor. \(18 m^{2}+15 m+3\)
7 step solution
Problem 205
Factor. \(24 n^{2}+20 n+4\)
4 step solution
Problem 206
Factor. \(4 a^{2}+5 a+2\)
8 step solution
Problem 207
Factor. \(x^{2}+2 x-24\)
4 step solution
Problem 208
Factor. \(2 b^{2}-7 b+4\)
6 step solution
Problem 209
The height of a toy rocket launched with an initial speed of 80 feet per second from the balcony of an apartment building is related to the number of seconds, \(t,\) since it is launched by the trinomial \(-16 t^{2}+80 t+96\). Completely factor the trinomial.
5 step solution
Problem 210
The height of a beach ball tossed up with an initial speed of 12 feet per second from a height of 4 feet is related to the number of seconds, \(t,\) since it is tossed by the trinomial \(-16 t^{2}+12 t+4\). Completely factor the trinomial.
5 step solution
Problem 212
How is the "ac" method similar to the "undo FOIL" method? How is it different?
4 step solution
Problem 215
Factor. \(16 y^{2}+24 y+9\)
5 step solution
Problem 216
Factor. \(25 v^{2}+20 v+4\)
5 step solution
Problem 217
Factor. \(36 s^{2}+84 s+49\)
5 step solution
Problem 218
Factor. \(49 s^{2}+154 s+121\)
5 step solution
Problem 219
Factor. \(100 x^{2}-20 x+1\)
4 step solution
Problem 220
Factor. \(64 z^{2}-16 z+1\)
4 step solution
Problem 221
Factor. \(25 n^{2}-120 n+144\)
5 step solution