+
…. …. = 6
+
…. …. = 12
+
…. …. = ….
+
…. …. = 2
+
…. …. = 6
+
…. …. = 12
+
…. …. = ….
+
…. …. = 2
+
…. …. = 6
+
…. …. = 12
+
…. …. = ….
+
…. …. = 2
LATIHAN SOAL 1.a. (Pemfaktoran)
Tentukan akar-akar pers. kuadrat ax2 + bx + c = 0, a = 1 1. x2 + 6x + 8 = 0 (x + ….)(x + ….) = 0
x = …. atau x = ….
2. x2 + 12x + 27 = 0 (x + ….)(x + ….) = 0 x = …. atau x = ….
3. x2 + 11x + 24 = 0 (x )(x ) = 0 x = …. atau x = ….
4. x2 + 15x + 56 = 0 ( )( ) = 0 x = …. atau x = ….
5. x2 + 2x –15 = 0 (x + ….)(x – ….) = 0 x = …. atau x = ….
6. x2 + 10x –24 = 0 ( )( ) = 0 x = …. atau x = ….
7. x2–4x –5 = 0 ( )( ) = 0
x = …. atau x = ….
8. x2–x –12 = 0 ( )( ) = 0
x = …. atau x = ….
9. x2–5x +6 = 0 ( )( ) = 0
x = …. atau x = ….
10. x2–9x +20 = 0 ( )( ) = 0
x = …. atau x = ….
LATIHAN SOAL 1.a. (Pemfaktoran)
Tentukan akar-akar pers. kuadrat ax2 + bx + c = 0, a = 1 1. x2 + 6x + 8 = 0 (x + ….)(x + ….) = 0
x = …. atau x = ….
2. x2 + 12x + 27 = 0 (x + ….)(x + ….) = 0 x = …. atau x = ….
3. x2 + 11x + 24 = 0 (x )(x ) = 0 x = …. atau x = ….
4. x2 + 15x + 56 = 0 ( )( ) = 0 x = …. atau x = ….
5. x2 + 2x –15 = 0 (x + ….)(x – ….) = 0 x = …. atau x = ….
6. x2 + 10x –24 = 0 ( )( ) = 0
x = …. atau x = ….
7. x2–4x –5 = 0 ( )( ) = 0
x = …. atau x = ….
8. x2– x –12 = 0 ( )( ) = 0
x = …. atau x = ….
9. x2–5x +6 = 0 ( )( ) = 0
x = …. atau x = ….
10. x2–9x +20 = 0 ( )( ) = 0
x = …. atau x = ….
LATIHAN SOAL 1.a. (Pemfaktoran)
Tentukan akar-akar pers. kuadrat ax2 + bx + c = 0, a = 1 1. x2 + 6x + 8 = 0 (x + ….)(x + ….) = 0
x = …. atau x = ….
2. x2 + 12x + 27 = 0 (x + ….)(x + ….) = 0 x = …. atau x = ….
3. x2 + 11x + 24 = 0 (x )(x ) = 0 x = …. atau x = ….
4. x2 + 15x + 56 = 0 ( )( ) = 0 x = …. atau x = ….
5. x2 + 2x –15 = 0 (x + ….)(x – ….) = 0 x = …. atau x = ….
6. x2 + 10x –24 = 0 ( )( ) = 0
x = …. atau x = ….
7. x2–4x –5 = 0 ( )( ) = 0
x = …. atau x = ….
8. x2– x –12 = 0 ( )( ) = 0
x = …. atau x = ….
9. x2–5x +6 = 0 ( )( ) = 0
x = …. atau x = ….
10. x2–9x +20 = 0 ( )( ) = 0
x = …. atau x = ….
8
….
….
-15
8
….
….
-15
8
….
….
-15
