Intermediate Test Prep: Math 8 (Grade 8) Multiplying Monomials Quiz

Multiply:
(-2x²)(+5x⁴)

A. 10x⁶
B. 7x⁵
C. -10x⁶
D. -7x⁵

Multiply:
(8x³y⁴)(4x²y⁵)

A. 12x⁵y⁹
B. 32x⁶y²⁰
C. 12x⁶y²⁰
D. 32x⁵y⁹

Multiply:
(4x³)(-2y²)(3z⁴)

A. -9x³y²z⁴
B. -24x³y²z⁴
C. 24x³y²z⁴
D. 5x³y²z⁴

Multiply:
(-9c)(+8cd²)

A. 17c²d²
B. -17c²d²
C. 72c²d²
D. -72c²d²

Multiply:
(5xy)(-3y)(6xy²)

A. -90x²y⁶
B. 12x²y⁴
C. -90x²y⁴
D. 90x²y³

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